67856120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23893}}^1$

素因数の和:23975

約数の個数: 32

約数和(自身を含む): 154833120

約数和(自身を除く): 86977000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 23893, 47786, 95572, 119465, 191144, 238930, 477860, 955720, 1696403, 3392806, 6785612, 8482015, 13571224, 16964030, 33928060, 67856120]

約数ペア:

[(1, 67856120), (2, 33928060), (4, 16964030), (5, 13571224), (8, 8482015), (10, 6785612), (20, 3392806), (40, 1696403), (71, 955720), (142, 477860), (284, 238930), (355, 191144), (568, 119465), (710, 95572), (1420, 47786), (2840, 23893)]