55990940

素因数分解:

$2^2\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{2039}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 117724320

約数和(自身を除く): 61733380

約数列:

[1, 2, 4, 5, 10, 20, 1373, 2039, 2746, 4078, 5492, 6865, 8156, 10195, 13730, 20390, 27460, 40780, 2799547, 5599094, 11198188, 13997735, 27995470, 55990940]

約数ペア:

[(1, 55990940), (2, 27995470), (4, 13997735), (5, 11198188), (10, 5599094), (20, 2799547), (1373, 40780), (2039, 27460), (2746, 20390), (4078, 13730), (5492, 10195), (6865, 8156)]