839560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 1915200

約数和(自身を除く): 1075640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 151, 278, 302, 556, 604, 695, 755, 1112, 1208, 1390, 1510, 2780, 3020, 5560, 6040, 20989, 41978, 83956, 104945, 167912, 209890, 419780, 839560]

約数ペア:

[(1, 839560), (2, 419780), (4, 209890), (5, 167912), (8, 104945), (10, 83956), (20, 41978), (40, 20989), (139, 6040), (151, 5560), (278, 3020), (302, 2780), (556, 1510), (604, 1390), (695, 1208), (755, 1112)]