84278960

素因数分解:

$2^4\times 5^1\times {\mathrm{1053487}}^1$

素因数の和:1053500

約数の個数: 20

約数和(自身を含む): 195948768

約数和(自身を除く): 111669808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1053487, 2106974, 4213948, 5267435, 8427896, 10534870, 16855792, 21069740, 42139480, 84278960]

約数ペア:

[(1, 84278960), (2, 42139480), (4, 21069740), (5, 16855792), (8, 10534870), (10, 8427896), (16, 5267435), (20, 4213948), (40, 2106974), (80, 1053487)]