130101980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{73091}}^1$

素因数の和:73189

約数の個数: 24

約数和(自身を含む): 276287760

約数和(自身を除く): 146185780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 73091, 146182, 292364, 365455, 730910, 1461820, 6505099, 13010198, 26020396, 32525495, 65050990, 130101980]

約数ペア:

[(1, 130101980), (2, 65050990), (4, 32525495), (5, 26020396), (10, 13010198), (20, 6505099), (89, 1461820), (178, 730910), (356, 365455), (445, 292364), (890, 146182), (1780, 73091)]