40625264920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{509}}^1\times {\mathrm{1187}}^1$

素因数の和:1789

約数の個数: 96

約数和(自身を含む): 93953811600

約数和(自身を除く): 53328546680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 509, 820, 1018, 1187, 1640, 1681, 2036, 2374, 2545, 3362, 4072, 4748, 5090, 5935, 6724, 8405, 9496, 10180, 11870, 13448, 16810, 20360, 20869, 23740, 33620, 41738, 47480, 48667, 67240, 83476, 97334, 104345, 166952, 194668, 208690, 243335, 389336, 417380, 486670, 604183, 834760, 855629, 973340, 1208366, 1711258, 1946680, 1995347, 2416732, 3020915, 3422516, 3990694, 4278145, 4833464, 6041830, 6845032, 7981388, 8556290, 9976735, 12083660, 15962776, 17112580, 19953470, 24167320, 24771503, 34225160, 39906940, 49543006, 79813880, 99086012, 123857515, 198172024, 247715030, 495430060, 990860120, 1015631623, 2031263246, 4062526492, 5078158115, 8125052984, 10156316230, 20312632460, 40625264920]

約数ペア:

[(1, 40625264920), (2, 20312632460), (4, 10156316230), (5, 8125052984), (8, 5078158115), (10, 4062526492), (20, 2031263246), (40, 1015631623), (41, 990860120), (82, 495430060), (164, 247715030), (205, 198172024), (328, 123857515), (410, 99086012), (509, 79813880), (820, 49543006), (1018, 39906940), (1187, 34225160), (1640, 24771503), (1681, 24167320), (2036, 19953470), (2374, 17112580), (2545, 15962776), (3362, 12083660), (4072, 9976735), (4748, 8556290), (5090, 7981388), (5935, 6845032), (6724, 6041830), (8405, 4833464), (9496, 4278145), (10180, 3990694), (11870, 3422516), (13448, 3020915), (16810, 2416732), (20360, 1995347), (20869, 1946680), (23740, 1711258), (33620, 1208366), (41738, 973340), (47480, 855629), (48667, 834760), (67240, 604183), (83476, 486670), (97334, 417380), (104345, 389336), (166952, 243335), (194668, 208690)]