834880040

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{16319}}^1$

素因数の和:17609

約数の個数: 32

約数和(自身を含む): 1880064000

約数和(自身を除く): 1045183960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 2558, 5116, 6395, 10232, 12790, 16319, 25580, 32638, 51160, 65276, 81595, 130552, 163190, 326380, 652760, 20872001, 41744002, 83488004, 104360005, 166976008, 208720010, 417440020, 834880040]

約数ペア:

[(1, 834880040), (2, 417440020), (4, 208720010), (5, 166976008), (8, 104360005), (10, 83488004), (20, 41744002), (40, 20872001), (1279, 652760), (2558, 326380), (5116, 163190), (6395, 130552), (10232, 81595), (12790, 65276), (16319, 51160), (25580, 32638)]