28239080

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1049}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 63693000

約数和(自身を除く): 35453920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1049, 1346, 2098, 2692, 3365, 4196, 5245, 5384, 6730, 8392, 10490, 13460, 20980, 26920, 41960, 705977, 1411954, 2823908, 3529885, 5647816, 7059770, 14119540, 28239080]

約数ペア:

[(1, 28239080), (2, 14119540), (4, 7059770), (5, 5647816), (8, 3529885), (10, 2823908), (20, 1411954), (40, 705977), (673, 41960), (1049, 26920), (1346, 20980), (2098, 13460), (2692, 10490), (3365, 8392), (4196, 6730), (5245, 5384)]