15040780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39581}}^1$

素因数の和:39609

約数の個数: 24

約数和(自身を含む): 33248880

約数和(自身を除く): 18208100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 39581, 79162, 158324, 197905, 395810, 752039, 791620, 1504078, 3008156, 3760195, 7520390, 15040780]

約数ペア:

[(1, 15040780), (2, 7520390), (4, 3760195), (5, 3008156), (10, 1504078), (19, 791620), (20, 752039), (38, 395810), (76, 197905), (95, 158324), (190, 79162), (380, 39581)]