78300380

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3061}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 164613120

約数和(自身を除く): 86312740

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 3061, 5116, 6122, 6395, 12244, 12790, 15305, 25580, 30610, 61220, 3915019, 7830038, 15660076, 19575095, 39150190, 78300380]

約数ペア:

[(1, 78300380), (2, 39150190), (4, 19575095), (5, 15660076), (10, 7830038), (20, 3915019), (1279, 61220), (2558, 30610), (3061, 25580), (5116, 15305), (6122, 12790), (6395, 12244)]