136618280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{16187}}^1$

素因数の和:16409

約数の個数: 32

約数和(自身を含む): 308867040

約数和(自身を除く): 172248760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 16187, 32374, 64748, 80935, 129496, 161870, 323740, 647480, 3415457, 6830914, 13661828, 17077285, 27323656, 34154570, 68309140, 136618280]

約数ペア:

[(1, 136618280), (2, 68309140), (4, 34154570), (5, 27323656), (8, 17077285), (10, 13661828), (20, 6830914), (40, 3415457), (211, 647480), (422, 323740), (844, 161870), (1055, 129496), (1688, 80935), (2110, 64748), (4220, 32374), (8440, 16187)]