71139640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12437}}^1$

素因数の和:12472

約数の個数: 64

約数和(自身を含む): 188062560

約数和(自身を除く): 116922920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 12437, 24874, 49748, 62185, 99496, 124370, 136807, 161681, 248740, 273614, 323362, 497480, 547228, 646724, 684035, 808405, 1094456, 1293448, 1368070, 1616810, 1778491, 2736140, 3233620, 3556982, 5472280, 6467240, 7113964, 8892455, 14227928, 17784910, 35569820, 71139640]

約数ペア:

[(1, 71139640), (2, 35569820), (4, 17784910), (5, 14227928), (8, 8892455), (10, 7113964), (11, 6467240), (13, 5472280), (20, 3556982), (22, 3233620), (26, 2736140), (40, 1778491), (44, 1616810), (52, 1368070), (55, 1293448), (65, 1094456), (88, 808405), (104, 684035), (110, 646724), (130, 547228), (143, 497480), (220, 323362), (260, 273614), (286, 248740), (440, 161681), (520, 136807), (572, 124370), (715, 99496), (1144, 62185), (1430, 49748), (2860, 24874), (5720, 12437)]