21836102440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6910159}}^1$

素因数の和:6910249

約数の個数: 32

約数和(自身を含む): 49753152000

約数和(自身を除く): 27917049560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6910159, 13820318, 27640636, 34550795, 55281272, 69101590, 138203180, 276406360, 545902561, 1091805122, 2183610244, 2729512805, 4367220488, 5459025610, 10918051220, 21836102440]

約数ペア:

[(1, 21836102440), (2, 10918051220), (4, 5459025610), (5, 4367220488), (8, 2729512805), (10, 2183610244), (20, 1091805122), (40, 545902561), (79, 276406360), (158, 138203180), (316, 69101590), (395, 55281272), (632, 34550795), (790, 27640636), (1580, 13820318), (3160, 6910159)]