408031940

素因数分解:

$2^2\times 5^1\times {\mathrm{3769}}^1\times {\mathrm{5413}}^1$

素因数の和:9191

約数の個数: 24

約数和(自身を含む): 857252760

約数和(自身を除く): 449220820

約数列:

[1, 2, 4, 5, 10, 20, 3769, 5413, 7538, 10826, 15076, 18845, 21652, 27065, 37690, 54130, 75380, 108260, 20401597, 40803194, 81606388, 102007985, 204015970, 408031940]

約数ペア:

[(1, 408031940), (2, 204015970), (4, 102007985), (5, 81606388), (10, 40803194), (20, 20401597), (3769, 108260), (5413, 75380), (7538, 54130), (10826, 37690), (15076, 27065), (18845, 21652)]