208720010

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{16319}}^1$

素因数の和:17605

約数の個数: 16

約数和(自身を含む): 376012800

約数和(自身を除く): 167292790

約数列:

[1, 2, 5, 10, 1279, 2558, 6395, 12790, 16319, 32638, 81595, 163190, 20872001, 41744002, 104360005, 208720010]

約数ペア:

[(1, 208720010), (2, 104360005), (5, 41744002), (10, 20872001), (1279, 163190), (2558, 81595), (6395, 32638), (12790, 16319)]