15812240

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{827}}^1$

素因数の和:1079

約数の個数: 40

約数和(自身を含む): 36961920

約数和(自身を除く): 21149680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 827, 956, 1195, 1654, 1912, 2390, 3308, 3824, 4135, 4780, 6616, 8270, 9560, 13232, 16540, 19120, 33080, 66160, 197653, 395306, 790612, 988265, 1581224, 1976530, 3162448, 3953060, 7906120, 15812240]

約数ペア:

[(1, 15812240), (2, 7906120), (4, 3953060), (5, 3162448), (8, 1976530), (10, 1581224), (16, 988265), (20, 790612), (40, 395306), (80, 197653), (239, 66160), (478, 33080), (827, 19120), (956, 16540), (1195, 13232), (1654, 9560), (1912, 8270), (2390, 6616), (3308, 4780), (3824, 4135)]