56554940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217519}}^1$

素因数の和:217541

約数の個数: 24

約数和(自身を含む): 127901760

約数和(自身を除く): 71346820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217519, 435038, 870076, 1087595, 2175190, 2827747, 4350380, 5655494, 11310988, 14138735, 28277470, 56554940]

約数ペア:

[(1, 56554940), (2, 28277470), (4, 14138735), (5, 11310988), (10, 5655494), (13, 4350380), (20, 2827747), (26, 2175190), (52, 1087595), (65, 870076), (130, 435038), (260, 217519)]