80857355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 106069824

約数和(自身を除く): 25212469

約数列:

[1, 5, 17, 73, 83, 85, 157, 365, 415, 785, 1241, 1411, 2669, 6059, 6205, 7055, 11461, 13031, 13345, 30295, 57305, 65155, 103003, 194837, 221527, 515015, 951263, 974185, 1107635, 4756315, 16171471, 80857355]

約数ペア:

[(1, 80857355), (5, 16171471), (17, 4756315), (73, 1107635), (83, 974185), (85, 951263), (157, 515015), (365, 221527), (415, 194837), (785, 103003), (1241, 65155), (1411, 57305), (2669, 30295), (6059, 13345), (6205, 13031), (7055, 11461)]