89531240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{47623}}^1$

素因数の和:47681

約数の個数: 32

約数和(自身を含む): 205735680

約数和(自身を除く): 116204440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 47623, 95246, 190492, 238115, 380984, 476230, 952460, 1904920, 2238281, 4476562, 8953124, 11191405, 17906248, 22382810, 44765620, 89531240]

約数ペア:

[(1, 89531240), (2, 44765620), (4, 22382810), (5, 17906248), (8, 11191405), (10, 8953124), (20, 4476562), (40, 2238281), (47, 1904920), (94, 952460), (188, 476230), (235, 380984), (376, 238115), (470, 190492), (940, 95246), (1880, 47623)]