83381560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20639}}^1$

素因数の和:20751

約数の個数: 32

約数和(自身を含む): 189475200

約数和(自身を除く): 106093640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 20639, 41278, 82556, 103195, 165112, 206390, 412780, 825560, 2084539, 4169078, 8338156, 10422695, 16676312, 20845390, 41690780, 83381560]

約数ペア:

[(1, 83381560), (2, 41690780), (4, 20845390), (5, 16676312), (8, 10422695), (10, 8338156), (20, 4169078), (40, 2084539), (101, 825560), (202, 412780), (404, 206390), (505, 165112), (808, 103195), (1010, 82556), (2020, 41278), (4040, 20639)]