16851640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 42638400

約数和(自身を除く): 25786760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1409, 1495, 2392, 2818, 2990, 5636, 5980, 7045, 11272, 11960, 14090, 18317, 28180, 32407, 36634, 56360, 64814, 73268, 91585, 129628, 146536, 162035, 183170, 259256, 324070, 366340, 421291, 648140, 732680, 842582, 1296280, 1685164, 2106455, 3370328, 4212910, 8425820, 16851640]

約数ペア:

[(1, 16851640), (2, 8425820), (4, 4212910), (5, 3370328), (8, 2106455), (10, 1685164), (13, 1296280), (20, 842582), (23, 732680), (26, 648140), (40, 421291), (46, 366340), (52, 324070), (65, 259256), (92, 183170), (104, 162035), (115, 146536), (130, 129628), (184, 91585), (230, 73268), (260, 64814), (299, 56360), (460, 36634), (520, 32407), (598, 28180), (920, 18317), (1196, 14090), (1409, 11960), (1495, 11272), (2392, 7045), (2818, 5980), (2990, 5636)]