361551280

素因数分解:

$2^4\times 5^1\times {\mathrm{4519391}}^1$

素因数の和:4519404

約数の個数: 20

約数和(自身を含む): 840606912

約数和(自身を除く): 479055632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4519391, 9038782, 18077564, 22596955, 36155128, 45193910, 72310256, 90387820, 180775640, 361551280]

約数ペア:

[(1, 361551280), (2, 180775640), (4, 90387820), (5, 72310256), (8, 45193910), (10, 36155128), (16, 22596955), (20, 18077564), (40, 9038782), (80, 4519391)]