168226640

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10567}}^1$

素因数の和:10779

約数の個数: 40

約数和(自身を含む): 393129600

約数和(自身を除く): 224902960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 10567, 15920, 21134, 42268, 52835, 84536, 105670, 169072, 211340, 422680, 845360, 2102833, 4205666, 8411332, 10514165, 16822664, 21028330, 33645328, 42056660, 84113320, 168226640]

約数ペア:

[(1, 168226640), (2, 84113320), (4, 42056660), (5, 33645328), (8, 21028330), (10, 16822664), (16, 10514165), (20, 8411332), (40, 4205666), (80, 2102833), (199, 845360), (398, 422680), (796, 211340), (995, 169072), (1592, 105670), (1990, 84536), (3184, 52835), (3980, 42268), (7960, 21134), (10567, 15920)]