7251940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5107}}^1$

素因数の和:5187

約数の個数: 24

約数和(自身を含む): 15446592

約数和(自身を除く): 8194652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5107, 10214, 20428, 25535, 51070, 102140, 362597, 725194, 1450388, 1812985, 3625970, 7251940]

約数ペア:

[(1, 7251940), (2, 3625970), (4, 1812985), (5, 1450388), (10, 725194), (20, 362597), (71, 102140), (142, 51070), (284, 25535), (355, 20428), (710, 10214), (1420, 5107)]