202428560

素因数分解:

$2^4\times 5^1\times {\mathrm{2530357}}^1$

素因数の和:2530370

約数の個数: 20

約数和(自身を含む): 470646588

約数和(自身を除く): 268218028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2530357, 5060714, 10121428, 12651785, 20242856, 25303570, 40485712, 50607140, 101214280, 202428560]

約数ペア:

[(1, 202428560), (2, 101214280), (4, 50607140), (5, 40485712), (8, 25303570), (10, 20242856), (16, 12651785), (20, 10121428), (40, 5060714), (80, 2530357)]