74658520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18121}}^1$

素因数の和:18235

約数の個数: 32

約数和(自身を含む): 169621920

約数和(自身を除く): 94963400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 18121, 36242, 72484, 90605, 144968, 181210, 362420, 724840, 1866463, 3732926, 7465852, 9332315, 14931704, 18664630, 37329260, 74658520]

約数ペア:

[(1, 74658520), (2, 37329260), (4, 18664630), (5, 14931704), (8, 9332315), (10, 7465852), (20, 3732926), (40, 1866463), (103, 724840), (206, 362420), (412, 181210), (515, 144968), (824, 90605), (1030, 72484), (2060, 36242), (4120, 18121)]