28138750

素因数分解:

$2^1\times 5^4\times {\mathrm{22511}}^1$

素因数の和:22533

約数の個数: 20

約数和(自身を含む): 52745616

約数和(自身を除く): 24606866

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 22511, 45022, 112555, 225110, 562775, 1125550, 2813875, 5627750, 14069375, 28138750]

約数ペア:

[(1, 28138750), (2, 14069375), (5, 5627750), (10, 2813875), (25, 1125550), (50, 562775), (125, 225110), (250, 112555), (625, 45022), (1250, 22511)]