40779960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26141}}^1$

素因数の和:26168

約数の個数: 64

約数和(自身を含む): 131755680

約数和(自身を除く): 90975720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 26141, 52282, 78423, 104564, 130705, 156846, 209128, 261410, 313692, 339833, 392115, 522820, 627384, 679666, 784230, 1019499, 1045640, 1359332, 1568460, 1699165, 2038998, 2718664, 3136920, 3398330, 4077996, 5097495, 6796660, 8155992, 10194990, 13593320, 20389980, 40779960]

約数ペア:

[(1, 40779960), (2, 20389980), (3, 13593320), (4, 10194990), (5, 8155992), (6, 6796660), (8, 5097495), (10, 4077996), (12, 3398330), (13, 3136920), (15, 2718664), (20, 2038998), (24, 1699165), (26, 1568460), (30, 1359332), (39, 1045640), (40, 1019499), (52, 784230), (60, 679666), (65, 627384), (78, 522820), (104, 392115), (120, 339833), (130, 313692), (156, 261410), (195, 209128), (260, 156846), (312, 130705), (390, 104564), (520, 78423), (780, 52282), (1560, 26141)]