21722326720

素因数分解:

$2^6\times 5^1\times {\mathrm{67882271}}^1$

素因数の和:67882288

約数の個数: 28

約数和(自身を含む): 51726291264

約数和(自身を除く): 30003964544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67882271, 135764542, 271529084, 339411355, 543058168, 678822710, 1086116336, 1357645420, 2172232672, 2715290840, 4344465344, 5430581680, 10861163360, 21722326720]

約数ペア:

[(1, 21722326720), (2, 10861163360), (4, 5430581680), (5, 4344465344), (8, 2715290840), (10, 2172232672), (16, 1357645420), (20, 1086116336), (32, 678822710), (40, 543058168), (64, 339411355), (80, 271529084), (160, 135764542), (320, 67882271)]