131288560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3079}}^1$

素因数の和:3146

約数の個数: 80

約数和(自身を含む): 336853440

約数和(自身を除く): 205564880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3079, 3280, 4264, 5330, 6158, 8528, 10660, 12316, 15395, 21320, 24632, 30790, 40027, 42640, 49264, 61580, 80054, 123160, 126239, 160108, 200135, 246320, 252478, 320216, 400270, 504956, 631195, 640432, 800540, 1009912, 1262390, 1601080, 1641107, 2019824, 2524780, 3202160, 3282214, 5049560, 6564428, 8205535, 10099120, 13128856, 16411070, 26257712, 32822140, 65644280, 131288560]

約数ペア:

[(1, 131288560), (2, 65644280), (4, 32822140), (5, 26257712), (8, 16411070), (10, 13128856), (13, 10099120), (16, 8205535), (20, 6564428), (26, 5049560), (40, 3282214), (41, 3202160), (52, 2524780), (65, 2019824), (80, 1641107), (82, 1601080), (104, 1262390), (130, 1009912), (164, 800540), (205, 640432), (208, 631195), (260, 504956), (328, 400270), (410, 320216), (520, 252478), (533, 246320), (656, 200135), (820, 160108), (1040, 126239), (1066, 123160), (1640, 80054), (2132, 61580), (2665, 49264), (3079, 42640), (3280, 40027), (4264, 30790), (5330, 24632), (6158, 21320), (8528, 15395), (10660, 12316)]