5381480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 13305600

約数和(自身を除く): 7924120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 131, 158, 260, 262, 316, 395, 520, 524, 632, 655, 790, 1027, 1048, 1310, 1580, 1703, 2054, 2620, 3160, 3406, 4108, 5135, 5240, 6812, 8216, 8515, 10270, 10349, 13624, 17030, 20540, 20698, 34060, 41080, 41396, 51745, 68120, 82792, 103490, 134537, 206980, 269074, 413960, 538148, 672685, 1076296, 1345370, 2690740, 5381480]

約数ペア:

[(1, 5381480), (2, 2690740), (4, 1345370), (5, 1076296), (8, 672685), (10, 538148), (13, 413960), (20, 269074), (26, 206980), (40, 134537), (52, 103490), (65, 82792), (79, 68120), (104, 51745), (130, 41396), (131, 41080), (158, 34060), (260, 20698), (262, 20540), (316, 17030), (395, 13624), (520, 10349), (524, 10270), (632, 8515), (655, 8216), (790, 6812), (1027, 5240), (1048, 5135), (1310, 4108), (1580, 3406), (1703, 3160), (2054, 2620)]