127600520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{30971}}^1$

素因数の和:31085

約数の個数: 32

約数和(自身を含む): 289897920

約数和(自身を除く): 162297400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 30971, 61942, 123884, 154855, 247768, 309710, 619420, 1238840, 3190013, 6380026, 12760052, 15950065, 25520104, 31900130, 63800260, 127600520]

約数ペア:

[(1, 127600520), (2, 63800260), (4, 31900130), (5, 25520104), (8, 15950065), (10, 12760052), (20, 6380026), (40, 3190013), (103, 1238840), (206, 619420), (412, 309710), (515, 247768), (824, 154855), (1030, 123884), (2060, 61942), (4120, 30971)]