7297940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28069}}^1$

素因数の和:28091

約数の個数: 24

約数和(自身を含む): 16505160

約数和(自身を除く): 9207220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28069, 56138, 112276, 140345, 280690, 364897, 561380, 729794, 1459588, 1824485, 3648970, 7297940]

約数ペア:

[(1, 7297940), (2, 3648970), (4, 1824485), (5, 1459588), (10, 729794), (13, 561380), (20, 364897), (26, 280690), (52, 140345), (65, 112276), (130, 56138), (260, 28069)]