90220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 204624

約数和(自身を除く): 114404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 694, 1388, 1735, 3470, 4511, 6940, 9022, 18044, 22555, 45110, 90220]

約数ペア:

[(1, 90220), (2, 45110), (4, 22555), (5, 18044), (10, 9022), (13, 6940), (20, 4511), (26, 3470), (52, 1735), (65, 1388), (130, 694), (260, 347)]