20297612500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3433}}^1$

素因数の和:3516

約数の個数: 144

約数和(自身を含む): 49575201984

約数和(自身を除く): 29277589484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 125, 172, 215, 220, 250, 275, 430, 473, 500, 550, 625, 860, 946, 1075, 1100, 1250, 1375, 1892, 2150, 2365, 2500, 2750, 3125, 3433, 4300, 4730, 5375, 5500, 6250, 6866, 6875, 9460, 10750, 11825, 12500, 13732, 13750, 17165, 21500, 23650, 26875, 27500, 34330, 34375, 37763, 47300, 53750, 59125, 68660, 68750, 75526, 85825, 107500, 118250, 134375, 137500, 147619, 151052, 171650, 188815, 236500, 268750, 295238, 295625, 343300, 377630, 429125, 537500, 590476, 591250, 738095, 755260, 858250, 944075, 1182500, 1476190, 1478125, 1623809, 1716500, 1888150, 2145625, 2952380, 2956250, 3247618, 3690475, 3776300, 4291250, 4720375, 5912500, 6495236, 7380950, 8119045, 8582500, 9440750, 10728125, 14761900, 16238090, 18452375, 18881500, 21456250, 23601875, 32476180, 36904750, 40595225, 42912500, 47203750, 73809500, 81190450, 92261875, 94407500, 118009375, 162380900, 184523750, 202976125, 236018750, 369047500, 405952250, 461309375, 472037500, 811904500, 922618750, 1014880625, 1845237500, 2029761250, 4059522500, 5074403125, 10148806250, 20297612500]

約数ペア:

[(1, 20297612500), (2, 10148806250), (4, 5074403125), (5, 4059522500), (10, 2029761250), (11, 1845237500), (20, 1014880625), (22, 922618750), (25, 811904500), (43, 472037500), (44, 461309375), (50, 405952250), (55, 369047500), (86, 236018750), (100, 202976125), (110, 184523750), (125, 162380900), (172, 118009375), (215, 94407500), (220, 92261875), (250, 81190450), (275, 73809500), (430, 47203750), (473, 42912500), (500, 40595225), (550, 36904750), (625, 32476180), (860, 23601875), (946, 21456250), (1075, 18881500), (1100, 18452375), (1250, 16238090), (1375, 14761900), (1892, 10728125), (2150, 9440750), (2365, 8582500), (2500, 8119045), (2750, 7380950), (3125, 6495236), (3433, 5912500), (4300, 4720375), (4730, 4291250), (5375, 3776300), (5500, 3690475), (6250, 3247618), (6866, 2956250), (6875, 2952380), (9460, 2145625), (10750, 1888150), (11825, 1716500), (12500, 1623809), (13732, 1478125), (13750, 1476190), (17165, 1182500), (21500, 944075), (23650, 858250), (26875, 755260), (27500, 738095), (34330, 591250), (34375, 590476), (37763, 537500), (47300, 429125), (53750, 377630), (59125, 343300), (68660, 295625), (68750, 295238), (75526, 268750), (85825, 236500), (107500, 188815), (118250, 171650), (134375, 151052), (137500, 147619)]