266684920

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{8101}}^1$

素因数の和:8935

約数の個数: 32

約数和(自身を含む): 600844320

約数和(自身を除く): 334159400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 3292, 4115, 6584, 8101, 8230, 16202, 16460, 32404, 32920, 40505, 64808, 81010, 162020, 324040, 6667123, 13334246, 26668492, 33335615, 53336984, 66671230, 133342460, 266684920]

約数ペア:

[(1, 266684920), (2, 133342460), (4, 66671230), (5, 53336984), (8, 33335615), (10, 26668492), (20, 13334246), (40, 6667123), (823, 324040), (1646, 162020), (3292, 81010), (4115, 64808), (6584, 40505), (8101, 32920), (8230, 32404), (16202, 16460)]