40486940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155719}}^1$

素因数の和:155741

約数の個数: 24

約数和(自身を含む): 91563360

約数和(自身を除く): 51076420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155719, 311438, 622876, 778595, 1557190, 2024347, 3114380, 4048694, 8097388, 10121735, 20243470, 40486940]

約数ペア:

[(1, 40486940), (2, 20243470), (4, 10121735), (5, 8097388), (10, 4048694), (13, 3114380), (20, 2024347), (26, 1557190), (52, 778595), (65, 622876), (130, 311438), (260, 155719)]