89111860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 193651920

約数和(自身を除く): 104540060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 997, 1090, 1994, 2180, 3988, 4469, 4985, 8938, 9970, 17876, 19940, 22345, 40877, 44690, 81754, 89380, 108673, 163508, 204385, 217346, 408770, 434692, 543365, 817540, 1086730, 2173460, 4455593, 8911186, 17822372, 22277965, 44555930, 89111860]

約数ペア:

[(1, 89111860), (2, 44555930), (4, 22277965), (5, 17822372), (10, 8911186), (20, 4455593), (41, 2173460), (82, 1086730), (109, 817540), (164, 543365), (205, 434692), (218, 408770), (410, 217346), (436, 204385), (545, 163508), (820, 108673), (997, 89380), (1090, 81754), (1994, 44690), (2180, 40877), (3988, 22345), (4469, 19940), (4985, 17876), (8938, 9970)]