68101640

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1327}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 153463680

約数和(自身を除く): 85362040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1327, 2566, 2654, 5132, 5308, 6415, 6635, 10264, 10616, 12830, 13270, 25660, 26540, 51320, 53080, 1702541, 3405082, 6810164, 8512705, 13620328, 17025410, 34050820, 68101640]

約数ペア:

[(1, 68101640), (2, 34050820), (4, 17025410), (5, 13620328), (8, 8512705), (10, 6810164), (20, 3405082), (40, 1702541), (1283, 53080), (1327, 51320), (2566, 26540), (2654, 25660), (5132, 13270), (5308, 12830), (6415, 10616), (6635, 10264)]