12721150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19571}}^1$

素因数の和:19596

約数の個数: 24

約数和(自身を含む): 25482744

約数和(自身を除く): 12761594

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19571, 39142, 97855, 195710, 254423, 489275, 508846, 978550, 1272115, 2544230, 6360575, 12721150]

約数ペア:

[(1, 12721150), (2, 6360575), (5, 2544230), (10, 1272115), (13, 978550), (25, 508846), (26, 489275), (50, 254423), (65, 195710), (130, 97855), (325, 39142), (650, 19571)]