26991640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51907}}^1$

素因数の和:51931

約数の個数: 32

約数和(自身を含む): 65404080

約数和(自身を除く): 38412440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 51907, 103814, 207628, 259535, 415256, 519070, 674791, 1038140, 1349582, 2076280, 2699164, 3373955, 5398328, 6747910, 13495820, 26991640]

約数ペア:

[(1, 26991640), (2, 13495820), (4, 6747910), (5, 5398328), (8, 3373955), (10, 2699164), (13, 2076280), (20, 1349582), (26, 1038140), (40, 674791), (52, 519070), (65, 415256), (104, 259535), (130, 207628), (260, 103814), (520, 51907)]