85222520

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8101}}^1$

素因数の和:8375

約数の個数: 32

約数和(自身を含む): 192503520

約数和(自身を除く): 107281000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 8101, 10520, 16202, 32404, 40505, 64808, 81010, 162020, 324040, 2130563, 4261126, 8522252, 10652815, 17044504, 21305630, 42611260, 85222520]

約数ペア:

[(1, 85222520), (2, 42611260), (4, 21305630), (5, 17044504), (8, 10652815), (10, 8522252), (20, 4261126), (40, 2130563), (263, 324040), (526, 162020), (1052, 81010), (1315, 64808), (2104, 40505), (2630, 32404), (5260, 16202), (8101, 10520)]