82667560

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4909}}^1$

素因数の和:5341

約数の個数: 32

約数和(自身を含む): 186481800

約数和(自身を除く): 103814240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 4909, 8420, 9818, 16840, 19636, 24545, 39272, 49090, 98180, 196360, 2066689, 4133378, 8266756, 10333445, 16533512, 20666890, 41333780, 82667560]

約数ペア:

[(1, 82667560), (2, 41333780), (4, 20666890), (5, 16533512), (8, 10333445), (10, 8266756), (20, 4133378), (40, 2066689), (421, 196360), (842, 98180), (1684, 49090), (2105, 39272), (3368, 24545), (4210, 19636), (4909, 16840), (8420, 9818)]