61686640

素因数分解:

$2^4\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1283}}^1$

素因数の和:1897

約数の個数: 40

約数和(自身を含む): 143772048

約数和(自身を除く): 82085408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 601, 1202, 1283, 2404, 2566, 3005, 4808, 5132, 6010, 6415, 9616, 10264, 12020, 12830, 20528, 24040, 25660, 48080, 51320, 102640, 771083, 1542166, 3084332, 3855415, 6168664, 7710830, 12337328, 15421660, 30843320, 61686640]

約数ペア:

[(1, 61686640), (2, 30843320), (4, 15421660), (5, 12337328), (8, 7710830), (10, 6168664), (16, 3855415), (20, 3084332), (40, 1542166), (80, 771083), (601, 102640), (1202, 51320), (1283, 48080), (2404, 25660), (2566, 24040), (3005, 20528), (4808, 12830), (5132, 12020), (6010, 10264), (6415, 9616)]