68971880

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1613}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 155428200

約数和(自身を除く): 86456320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1613, 2138, 3226, 4276, 5345, 6452, 8065, 8552, 10690, 12904, 16130, 21380, 32260, 42760, 64520, 1724297, 3448594, 6897188, 8621485, 13794376, 17242970, 34485940, 68971880]

約数ペア:

[(1, 68971880), (2, 34485940), (4, 17242970), (5, 13794376), (8, 8621485), (10, 6897188), (20, 3448594), (40, 1724297), (1069, 64520), (1613, 42760), (2138, 32260), (3226, 21380), (4276, 16130), (5345, 12904), (6452, 10690), (8065, 8552)]