25578120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4957}}^1$

素因数の和:5014

約数の個数: 64

約数和(自身を含む): 78534720

約数和(自身を除く): 52956600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4957, 5160, 9914, 14871, 19828, 24785, 29742, 39656, 49570, 59484, 74355, 99140, 118968, 148710, 198280, 213151, 297420, 426302, 594840, 639453, 852604, 1065755, 1278906, 1705208, 2131510, 2557812, 3197265, 4263020, 5115624, 6394530, 8526040, 12789060, 25578120]

約数ペア:

[(1, 25578120), (2, 12789060), (3, 8526040), (4, 6394530), (5, 5115624), (6, 4263020), (8, 3197265), (10, 2557812), (12, 2131510), (15, 1705208), (20, 1278906), (24, 1065755), (30, 852604), (40, 639453), (43, 594840), (60, 426302), (86, 297420), (120, 213151), (129, 198280), (172, 148710), (215, 118968), (258, 99140), (344, 74355), (430, 59484), (516, 49570), (645, 39656), (860, 29742), (1032, 24785), (1290, 19828), (1720, 14871), (2580, 9914), (4957, 5160)]