4080456880

素因数分解:

$2^4\times 5^1\times {\mathrm{51005711}}^1$

素因数の和:51005724

約数の個数: 20

約数和(自身を含む): 9487062432

約数和(自身を除く): 5406605552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51005711, 102011422, 204022844, 255028555, 408045688, 510057110, 816091376, 1020114220, 2040228440, 4080456880]

約数ペア:

[(1, 4080456880), (2, 2040228440), (4, 1020114220), (5, 816091376), (8, 510057110), (10, 408045688), (16, 255028555), (20, 204022844), (40, 102011422), (80, 51005711)]