208047440

素因数分解:

$2^4\times 5^1\times {\mathrm{2600593}}^1$

素因数の和:2600606

約数の個数: 20

約数和(自身を含む): 483710484

約数和(自身を除く): 275663044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600593, 5201186, 10402372, 13002965, 20804744, 26005930, 41609488, 52011860, 104023720, 208047440]

約数ペア:

[(1, 208047440), (2, 104023720), (4, 52011860), (5, 41609488), (8, 26005930), (10, 20804744), (16, 13002965), (20, 10402372), (40, 5201186), (80, 2600593)]