87921880

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3863}}^1$

素因数の和:4443

約数の個数: 32

約数和(自身を含む): 198223200

約数和(自身を除く): 110301320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 3863, 4552, 5690, 7726, 11380, 15452, 19315, 22760, 30904, 38630, 77260, 154520, 2198047, 4396094, 8792188, 10990235, 17584376, 21980470, 43960940, 87921880]

約数ペア:

[(1, 87921880), (2, 43960940), (4, 21980470), (5, 17584376), (8, 10990235), (10, 8792188), (20, 4396094), (40, 2198047), (569, 154520), (1138, 77260), (2276, 38630), (2845, 30904), (3863, 22760), (4552, 19315), (5690, 15452), (7726, 11380)]