65658520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{30971}}^1$

素因数の和:31035

約数の個数: 32

約数和(自身を含む): 150523920

約数和(自身を除く): 84865400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 30971, 61942, 123884, 154855, 247768, 309710, 619420, 1238840, 1641463, 3282926, 6565852, 8207315, 13131704, 16414630, 32829260, 65658520]

約数ペア:

[(1, 65658520), (2, 32829260), (4, 16414630), (5, 13131704), (8, 8207315), (10, 6565852), (20, 3282926), (40, 1641463), (53, 1238840), (106, 619420), (212, 309710), (265, 247768), (424, 154855), (530, 123884), (1060, 61942), (2120, 30971)]