164095240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{56197}}^1$

素因数の和:56281

約数の個数: 32

約数和(自身を含む): 374278680

約数和(自身を除く): 210183440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 56197, 112394, 224788, 280985, 449576, 561970, 1123940, 2247880, 4102381, 8204762, 16409524, 20511905, 32819048, 41023810, 82047620, 164095240]

約数ペア:

[(1, 164095240), (2, 82047620), (4, 41023810), (5, 32819048), (8, 20511905), (10, 16409524), (20, 8204762), (40, 4102381), (73, 2247880), (146, 1123940), (292, 561970), (365, 449576), (584, 280985), (730, 224788), (1460, 112394), (2920, 56197)]