28216340

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5903}}^1$

素因数の和:6151

約数の個数: 24

約数和(自身を含む): 59512320

約数和(自身を除く): 31295980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 5903, 11806, 23612, 29515, 59030, 118060, 1410817, 2821634, 5643268, 7054085, 14108170, 28216340]

約数ペア:

[(1, 28216340), (2, 14108170), (4, 7054085), (5, 5643268), (10, 2821634), (20, 1410817), (239, 118060), (478, 59030), (956, 29515), (1195, 23612), (2390, 11806), (4780, 5903)]