40356940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155219}}^1$

素因数の和:155241

約数の個数: 24

約数和(自身を含む): 91269360

約数和(自身を除く): 50912420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155219, 310438, 620876, 776095, 1552190, 2017847, 3104380, 4035694, 8071388, 10089235, 20178470, 40356940]

約数ペア:

[(1, 40356940), (2, 20178470), (4, 10089235), (5, 8071388), (10, 4035694), (13, 3104380), (20, 2017847), (26, 1552190), (52, 776095), (65, 620876), (130, 310438), (260, 155219)]