86566580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 187442640

約数和(自身を除く): 100876060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 229, 410, 458, 461, 820, 916, 922, 1145, 1844, 2290, 2305, 4580, 4610, 9220, 9389, 18778, 18901, 37556, 37802, 46945, 75604, 93890, 94505, 105569, 187780, 189010, 211138, 378020, 422276, 527845, 1055690, 2111380, 4328329, 8656658, 17313316, 21641645, 43283290, 86566580]

約数ペア:

[(1, 86566580), (2, 43283290), (4, 21641645), (5, 17313316), (10, 8656658), (20, 4328329), (41, 2111380), (82, 1055690), (164, 527845), (205, 422276), (229, 378020), (410, 211138), (458, 189010), (461, 187780), (820, 105569), (916, 94505), (922, 93890), (1145, 75604), (1844, 46945), (2290, 37802), (2305, 37556), (4580, 18901), (4610, 18778), (9220, 9389)]