89772440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28409}}^1$

素因数の和:28499

約数の個数: 32

約数和(自身を含む): 204552000

約数和(自身を除く): 114779560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28409, 56818, 113636, 142045, 227272, 284090, 568180, 1136360, 2244311, 4488622, 8977244, 11221555, 17954488, 22443110, 44886220, 89772440]

約数ペア:

[(1, 89772440), (2, 44886220), (4, 22443110), (5, 17954488), (8, 11221555), (10, 8977244), (20, 4488622), (40, 2244311), (79, 1136360), (158, 568180), (316, 284090), (395, 227272), (632, 142045), (790, 113636), (1580, 56818), (3160, 28409)]