25458940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97919}}^1$

素因数の和:97941

約数の個数: 24

約数和(自身を含む): 57576960

約数和(自身を除く): 32118020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97919, 195838, 391676, 489595, 979190, 1272947, 1958380, 2545894, 5091788, 6364735, 12729470, 25458940]

約数ペア:

[(1, 25458940), (2, 12729470), (4, 6364735), (5, 5091788), (10, 2545894), (13, 1958380), (20, 1272947), (26, 979190), (52, 489595), (65, 391676), (130, 195838), (260, 97919)]