15728840

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1451}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 19816120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1451, 2168, 2710, 2902, 5420, 5804, 7255, 10840, 11608, 14510, 29020, 58040, 393221, 786442, 1572884, 1966105, 3145768, 3932210, 7864420, 15728840]

約数ペア:

[(1, 15728840), (2, 7864420), (4, 3932210), (5, 3145768), (8, 1966105), (10, 1572884), (20, 786442), (40, 393221), (271, 58040), (542, 29020), (1084, 14510), (1355, 11608), (1451, 10840), (2168, 7255), (2710, 5804), (2902, 5420)]