2108559940

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{202357}}^1$

素因数の和:202887

約数の個数: 24

約数和(自身を含む): 4436496792

約数和(自身を除く): 2327936852

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 202357, 404714, 809428, 1011785, 2023570, 4047140, 105427997, 210855994, 421711988, 527139985, 1054279970, 2108559940]

約数ペア:

[(1, 2108559940), (2, 1054279970), (4, 527139985), (5, 421711988), (10, 210855994), (20, 105427997), (521, 4047140), (1042, 2023570), (2084, 1011785), (2605, 809428), (5210, 404714), (10420, 202357)]