49897040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1980

約数の個数: 80

約数和(自身を含む): 129366720

約数和(自身を除く): 79469680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 1931, 2584, 3230, 3862, 5168, 6460, 7724, 9655, 12920, 15448, 19310, 25840, 30896, 32827, 36689, 38620, 65654, 73378, 77240, 131308, 146756, 154480, 164135, 183445, 262616, 293512, 328270, 366890, 525232, 587024, 623713, 656540, 733780, 1247426, 1313080, 1467560, 2494852, 2626160, 2935120, 3118565, 4989704, 6237130, 9979408, 12474260, 24948520, 49897040]

約数ペア:

[(1, 49897040), (2, 24948520), (4, 12474260), (5, 9979408), (8, 6237130), (10, 4989704), (16, 3118565), (17, 2935120), (19, 2626160), (20, 2494852), (34, 1467560), (38, 1313080), (40, 1247426), (68, 733780), (76, 656540), (80, 623713), (85, 587024), (95, 525232), (136, 366890), (152, 328270), (170, 293512), (190, 262616), (272, 183445), (304, 164135), (323, 154480), (340, 146756), (380, 131308), (646, 77240), (680, 73378), (760, 65654), (1292, 38620), (1360, 36689), (1520, 32827), (1615, 30896), (1931, 25840), (2584, 19310), (3230, 15448), (3862, 12920), (5168, 9655), (6460, 7724)]