80100865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 110476800

約数和(自身を除く): 30375935

約数列:

[1, 5, 13, 19, 65, 79, 95, 247, 395, 821, 1027, 1235, 1501, 4105, 5135, 7505, 10673, 15599, 19513, 53365, 64859, 77995, 97565, 202787, 324295, 843167, 1013935, 1232321, 4215835, 6161605, 16020173, 80100865]

約数ペア:

[(1, 80100865), (5, 16020173), (13, 6161605), (19, 4215835), (65, 1232321), (79, 1013935), (95, 843167), (247, 324295), (395, 202787), (821, 97565), (1027, 77995), (1235, 64859), (1501, 53365), (4105, 19513), (5135, 15599), (7505, 10673)]