11953801880

素因数分解:

$2^3\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{140237}}^1$

素因数の和:142379

約数の個数: 32

約数和(自身を含む): 26908867440

約数和(自身を除く): 14955065560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2131, 4262, 8524, 10655, 17048, 21310, 42620, 85240, 140237, 280474, 560948, 701185, 1121896, 1402370, 2804740, 5609480, 298845047, 597690094, 1195380188, 1494225235, 2390760376, 2988450470, 5976900940, 11953801880]

約数ペア:

[(1, 11953801880), (2, 5976900940), (4, 2988450470), (5, 2390760376), (8, 1494225235), (10, 1195380188), (20, 597690094), (40, 298845047), (2131, 5609480), (4262, 2804740), (8524, 1402370), (10655, 1121896), (17048, 701185), (21310, 560948), (42620, 280474), (85240, 140237)]