201788560

素因数分解:

$2^4\times 5^1\times {\mathrm{2522357}}^1$

素因数の和:2522370

約数の個数: 20

約数和(自身を含む): 469158588

約数和(自身を除く): 267370028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522357, 5044714, 10089428, 12611785, 20178856, 25223570, 40357712, 50447140, 100894280, 201788560]

約数ペア:

[(1, 201788560), (2, 100894280), (4, 50447140), (5, 40357712), (8, 25223570), (10, 20178856), (16, 12611785), (20, 10089428), (40, 5044714), (80, 2522357)]