16860740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64849}}^1$

素因数の和:64871

約数の個数: 24

約数和(自身を含む): 38131800

約数和(自身を除く): 21271060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64849, 129698, 259396, 324245, 648490, 843037, 1296980, 1686074, 3372148, 4215185, 8430370, 16860740]

約数ペア:

[(1, 16860740), (2, 8430370), (4, 4215185), (5, 3372148), (10, 1686074), (13, 1296980), (20, 843037), (26, 648490), (52, 324245), (65, 259396), (130, 129698), (260, 64849)]