82311920

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1489}}^1$

素因数の和:2193

約数の個数: 40

約数和(自身を含む): 191780880

約数和(自身を除く): 109468960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 1489, 2764, 2978, 3455, 5528, 5956, 6910, 7445, 11056, 11912, 13820, 14890, 23824, 27640, 29780, 55280, 59560, 119120, 1028899, 2057798, 4115596, 5144495, 8231192, 10288990, 16462384, 20577980, 41155960, 82311920]

約数ペア:

[(1, 82311920), (2, 41155960), (4, 20577980), (5, 16462384), (8, 10288990), (10, 8231192), (16, 5144495), (20, 4115596), (40, 2057798), (80, 1028899), (691, 119120), (1382, 59560), (1489, 55280), (2764, 29780), (2978, 27640), (3455, 23824), (5528, 14890), (5956, 13820), (6910, 11912), (7445, 11056)]