313962160

素因数分解:

$2^4\times 5^1\times {\mathrm{3924527}}^1$

素因数の和:3924540

約数の個数: 20

約数和(自身を含む): 729962208

約数和(自身を除く): 416000048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3924527, 7849054, 15698108, 19622635, 31396216, 39245270, 62792432, 78490540, 156981080, 313962160]

約数ペア:

[(1, 313962160), (2, 156981080), (4, 78490540), (5, 62792432), (8, 39245270), (10, 31396216), (16, 19622635), (20, 15698108), (40, 7849054), (80, 3924527)]