2042804560

素因数分解:

$2^4\times 5^1\times {\mathrm{25535057}}^1$

素因数の和:25535070

約数の個数: 20

約数和(自身を含む): 4749520788

約数和(自身を除く): 2706716228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25535057, 51070114, 102140228, 127675285, 204280456, 255350570, 408560912, 510701140, 1021402280, 2042804560]

約数ペア:

[(1, 2042804560), (2, 1021402280), (4, 510701140), (5, 408560912), (8, 255350570), (10, 204280456), (16, 127675285), (20, 102140228), (40, 51070114), (80, 25535057)]