159480920

素因数分解:

$2^3\times 5^1\times {\mathrm{3987023}}^1$

素因数の和:3987034

約数の個数: 16

約数和(自身を含む): 358832160

約数和(自身を除く): 199351240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3987023, 7974046, 15948092, 19935115, 31896184, 39870230, 79740460, 159480920]

約数ペア:

[(1, 159480920), (2, 79740460), (4, 39870230), (5, 31896184), (8, 19935115), (10, 15948092), (20, 7974046), (40, 3987023)]