39990290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3511}}^1$

素因数の和:3602

約数の個数: 32

約数和(自身を含む): 77376384

約数和(自身を除く): 37386094

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 3511, 5695, 7022, 11390, 17555, 35110, 59687, 119374, 235237, 298435, 470474, 596870, 1176185, 2352370, 3999029, 7998058, 19995145, 39990290]

約数ペア:

[(1, 39990290), (2, 19995145), (5, 7998058), (10, 3999029), (17, 2352370), (34, 1176185), (67, 596870), (85, 470474), (134, 298435), (170, 235237), (335, 119374), (670, 59687), (1139, 35110), (2278, 17555), (3511, 11390), (5695, 7022)]