65052920

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3863}}^1$

素因数の和:4295

約数の個数: 32

約数和(自身を含む): 146754720

約数和(自身を除く): 81701800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 3863, 4210, 7726, 8420, 15452, 16840, 19315, 30904, 38630, 77260, 154520, 1626323, 3252646, 6505292, 8131615, 13010584, 16263230, 32526460, 65052920]

約数ペア:

[(1, 65052920), (2, 32526460), (4, 16263230), (5, 13010584), (8, 8131615), (10, 6505292), (20, 3252646), (40, 1626323), (421, 154520), (842, 77260), (1684, 38630), (2105, 30904), (3368, 19315), (3863, 16840), (4210, 15452), (7726, 8420)]