80642305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 105850368

約数和(自身を除く): 25208063

約数列:

[1, 5, 17, 61, 85, 103, 151, 305, 515, 755, 1037, 1751, 2567, 5185, 6283, 8755, 9211, 12835, 15553, 31415, 46055, 77765, 106811, 156587, 264401, 534055, 782935, 948733, 1322005, 4743665, 16128461, 80642305]

約数ペア:

[(1, 80642305), (5, 16128461), (17, 4743665), (61, 1322005), (85, 948733), (103, 782935), (151, 534055), (305, 264401), (515, 156587), (755, 106811), (1037, 77765), (1751, 46055), (2567, 31415), (5185, 15553), (6283, 12835), (8755, 9211)]