520023640

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{1231}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 1197504000

約数和(自身を除く): 677480360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 179, 236, 295, 358, 472, 590, 716, 895, 1180, 1231, 1432, 1790, 2360, 2462, 3580, 4924, 6155, 7160, 9848, 10561, 12310, 21122, 24620, 42244, 49240, 52805, 72629, 84488, 105610, 145258, 211220, 220349, 290516, 363145, 422440, 440698, 581032, 726290, 881396, 1101745, 1452580, 1762792, 2203490, 2905160, 4406980, 8813960, 13000591, 26001182, 52002364, 65002955, 104004728, 130005910, 260011820, 520023640]

約数ペア:

[(1, 520023640), (2, 260011820), (4, 130005910), (5, 104004728), (8, 65002955), (10, 52002364), (20, 26001182), (40, 13000591), (59, 8813960), (118, 4406980), (179, 2905160), (236, 2203490), (295, 1762792), (358, 1452580), (472, 1101745), (590, 881396), (716, 726290), (895, 581032), (1180, 440698), (1231, 422440), (1432, 363145), (1790, 290516), (2360, 220349), (2462, 211220), (3580, 145258), (4924, 105610), (6155, 84488), (7160, 72629), (9848, 52805), (10561, 49240), (12310, 42244), (21122, 24620)]