13463020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 30240000

約数和(自身を除く): 16776980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 499, 710, 998, 1349, 1420, 1996, 2495, 2698, 4990, 5396, 6745, 9481, 9980, 13490, 18962, 26980, 35429, 37924, 47405, 70858, 94810, 141716, 177145, 189620, 354290, 673151, 708580, 1346302, 2692604, 3365755, 6731510, 13463020]

約数ペア:

[(1, 13463020), (2, 6731510), (4, 3365755), (5, 2692604), (10, 1346302), (19, 708580), (20, 673151), (38, 354290), (71, 189620), (76, 177145), (95, 141716), (142, 94810), (190, 70858), (284, 47405), (355, 37924), (380, 35429), (499, 26980), (710, 18962), (998, 13490), (1349, 9980), (1420, 9481), (1996, 6745), (2495, 5396), (2698, 4990)]