203820880

素因数分解:

$2^4\times 5^1\times {\mathrm{2547761}}^1$

素因数の和:2547774

約数の個数: 20

約数和(自身を含む): 473883732

約数和(自身を除く): 270062852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2547761, 5095522, 10191044, 12738805, 20382088, 25477610, 40764176, 50955220, 101910440, 203820880]

約数ペア:

[(1, 203820880), (2, 101910440), (4, 50955220), (5, 40764176), (8, 25477610), (10, 20382088), (16, 12738805), (20, 10191044), (40, 5095522), (80, 2547761)]