31486540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68449}}^1$

素因数の和:68481

約数の個数: 24

約数和(自身を含む): 68997600

約数和(自身を除く): 37511060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68449, 136898, 273796, 342245, 684490, 1368980, 1574327, 3148654, 6297308, 7871635, 15743270, 31486540]

約数ペア:

[(1, 31486540), (2, 15743270), (4, 7871635), (5, 6297308), (10, 3148654), (20, 1574327), (23, 1368980), (46, 684490), (92, 342245), (115, 273796), (230, 136898), (460, 68449)]