38198480

素因数分解:

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

素因数の和:1395

約数の個数: 30

約数和(自身を含む): 88940178

約数和(自身を除く): 50741698

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 3455, 5528, 6910, 11056, 13820, 27640, 55280, 477481, 954962, 1909924, 2387405, 3819848, 4774810, 7639696, 9549620, 19099240, 38198480]

約数ペア:

[(1, 38198480), (2, 19099240), (4, 9549620), (5, 7639696), (8, 4774810), (10, 3819848), (16, 2387405), (20, 1909924), (40, 954962), (80, 477481), (691, 55280), (1382, 27640), (2764, 13820), (3455, 11056), (5528, 6910)]