82640260

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{19583}}^1$

素因数の和:19803

約数の個数: 24

約数和(自身を含む): 174375936

約数和(自身を除く): 91735676

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 19583, 39166, 78332, 97915, 195830, 391660, 4132013, 8264026, 16528052, 20660065, 41320130, 82640260]

約数ペア:

[(1, 82640260), (2, 41320130), (4, 20660065), (5, 16528052), (10, 8264026), (20, 4132013), (211, 391660), (422, 195830), (844, 97915), (1055, 78332), (2110, 39166), (4220, 19583)]