31200760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7573}}^1$

素因数の和:7687

約数の個数: 32

約数和(自身を含む): 70892640

約数和(自身を除く): 39691880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7573, 15146, 30292, 37865, 60584, 75730, 151460, 302920, 780019, 1560038, 3120076, 3900095, 6240152, 7800190, 15600380, 31200760]

約数ペア:

[(1, 31200760), (2, 15600380), (4, 7800190), (5, 6240152), (8, 3900095), (10, 3120076), (20, 1560038), (40, 780019), (103, 302920), (206, 151460), (412, 75730), (515, 60584), (824, 37865), (1030, 30292), (2060, 15146), (4120, 7573)]