64899640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 158578560

約数和(自身を除く): 93678920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 911, 1096, 1370, 1781, 1822, 2740, 3562, 3644, 4555, 5480, 7124, 7288, 8905, 9110, 11843, 14248, 17810, 18220, 23686, 35620, 36440, 47372, 59215, 71240, 94744, 118430, 124807, 236860, 249614, 473720, 499228, 624035, 998456, 1248070, 1622491, 2496140, 3244982, 4992280, 6489964, 8112455, 12979928, 16224910, 32449820, 64899640]

約数ペア:

[(1, 64899640), (2, 32449820), (4, 16224910), (5, 12979928), (8, 8112455), (10, 6489964), (13, 4992280), (20, 3244982), (26, 2496140), (40, 1622491), (52, 1248070), (65, 998456), (104, 624035), (130, 499228), (137, 473720), (260, 249614), (274, 236860), (520, 124807), (548, 118430), (685, 94744), (911, 71240), (1096, 59215), (1370, 47372), (1781, 36440), (1822, 35620), (2740, 23686), (3562, 18220), (3644, 17810), (4555, 14248), (5480, 11843), (7124, 9110), (7288, 8905)]