8127920

素因数分解:

$2^4\times 5^1\times {\mathrm{101599}}^1$

素因数の和:101612

約数の個数: 20

約数和(自身を含む): 18897600

約数和(自身を除く): 10769680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101599, 203198, 406396, 507995, 812792, 1015990, 1625584, 2031980, 4063960, 8127920]

約数ペア:

[(1, 8127920), (2, 4063960), (4, 2031980), (5, 1625584), (8, 1015990), (10, 812792), (16, 507995), (20, 406396), (40, 203198), (80, 101599)]