4649080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 10614240

約数和(自身を除く): 5965160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1637, 2840, 3274, 6548, 8185, 13096, 16370, 32740, 65480, 116227, 232454, 464908, 581135, 929816, 1162270, 2324540, 4649080]

約数ペア:

[(1, 4649080), (2, 2324540), (4, 1162270), (5, 929816), (8, 581135), (10, 464908), (20, 232454), (40, 116227), (71, 65480), (142, 32740), (284, 16370), (355, 13096), (568, 8185), (710, 6548), (1420, 3274), (1637, 2840)]