13289560

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{727}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 30008160

約数和(自身を除く): 16718600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 727, 914, 1454, 1828, 2285, 2908, 3635, 3656, 4570, 5816, 7270, 9140, 14540, 18280, 29080, 332239, 664478, 1328956, 1661195, 2657912, 3322390, 6644780, 13289560]

約数ペア:

[(1, 13289560), (2, 6644780), (4, 3322390), (5, 2657912), (8, 1661195), (10, 1328956), (20, 664478), (40, 332239), (457, 29080), (727, 18280), (914, 14540), (1454, 9140), (1828, 7270), (2285, 5816), (2908, 4570), (3635, 3656)]