203864804560

素因数分解:

$2^4\times 5^1\times {\mathrm{2548310057}}^1$

素因数の和:2548310070

約数の個数: 20

約数和(自身を含む): 473985670788

約数和(自身を除く): 270120866228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2548310057, 5096620114, 10193240228, 12741550285, 20386480456, 25483100570, 40772960912, 50966201140, 101932402280, 203864804560]

約数ペア:

[(1, 203864804560), (2, 101932402280), (4, 50966201140), (5, 40772960912), (8, 25483100570), (10, 20386480456), (16, 12741550285), (20, 10193240228), (40, 5096620114), (80, 2548310057)]