61251980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19507}}^1$

素因数の和:19673

約数の個数: 24

約数和(自身を含む): 129455088

約数和(自身を除く): 68203108

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 19507, 39014, 78028, 97535, 195070, 390140, 3062599, 6125198, 12250396, 15312995, 30625990, 61251980]

約数ペア:

[(1, 61251980), (2, 30625990), (4, 15312995), (5, 12250396), (10, 6125198), (20, 3062599), (157, 390140), (314, 195070), (628, 97535), (785, 78028), (1570, 39014), (3140, 19507)]