71367140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274489}}^1$

素因数の和:274511

約数の個数: 24

約数和(自身を含む): 161400120

約数和(自身を除く): 90032980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274489, 548978, 1097956, 1372445, 2744890, 3568357, 5489780, 7136714, 14273428, 17841785, 35683570, 71367140]

約数ペア:

[(1, 71367140), (2, 35683570), (4, 17841785), (5, 14273428), (10, 7136714), (13, 5489780), (20, 3568357), (26, 2744890), (52, 1372445), (65, 1097956), (130, 548978), (260, 274489)]