31058480

素因数分解:

$2^4\times 5^1\times {\mathrm{388231}}^1$

素因数の和:388244

約数の個数: 20

約数和(自身を含む): 72211152

約数和(自身を除く): 41152672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388231, 776462, 1552924, 1941155, 3105848, 3882310, 6211696, 7764620, 15529240, 31058480]

約数ペア:

[(1, 31058480), (2, 15529240), (4, 7764620), (5, 6211696), (8, 3882310), (10, 3105848), (16, 1941155), (20, 1552924), (40, 776462), (80, 388231)]