2891104040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6570691}}^1$

素因数の和:6570713

約数の個数: 32

約数和(自身を含む): 7096347360

約数和(自身を除く): 4205243320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6570691, 13141382, 26282764, 32853455, 52565528, 65706910, 72277601, 131413820, 144555202, 262827640, 289110404, 361388005, 578220808, 722776010, 1445552020, 2891104040]

約数ペア:

[(1, 2891104040), (2, 1445552020), (4, 722776010), (5, 578220808), (8, 361388005), (10, 289110404), (11, 262827640), (20, 144555202), (22, 131413820), (40, 72277601), (44, 65706910), (55, 52565528), (88, 32853455), (110, 26282764), (220, 13141382), (440, 6570691)]