2275492720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{260951}}^1$

素因数の和:261073

約数の個数: 40

約数和(自身を含む): 5339077920

約数和(自身を除く): 3063585200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 260951, 521902, 1043804, 1304755, 2087608, 2609510, 4175216, 5219020, 10438040, 20876080, 28443659, 56887318, 113774636, 142218295, 227549272, 284436590, 455098544, 568873180, 1137746360, 2275492720]

約数ペア:

[(1, 2275492720), (2, 1137746360), (4, 568873180), (5, 455098544), (8, 284436590), (10, 227549272), (16, 142218295), (20, 113774636), (40, 56887318), (80, 28443659), (109, 20876080), (218, 10438040), (436, 5219020), (545, 4175216), (872, 2609510), (1090, 2087608), (1744, 1304755), (2180, 1043804), (4360, 521902), (8720, 260951)]