4080762320

素因数分解:

$2^4\times 5^1\times {\mathrm{51009529}}^1$

素因数の和:51009542

約数の個数: 20

約数和(自身を含む): 9487772580

約数和(自身を除く): 5407010260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51009529, 102019058, 204038116, 255047645, 408076232, 510095290, 816152464, 1020190580, 2040381160, 4080762320]

約数ペア:

[(1, 4080762320), (2, 2040381160), (4, 1020190580), (5, 816152464), (8, 510095290), (10, 408076232), (16, 255047645), (20, 204038116), (40, 102019058), (80, 51009529)]