8140470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20873}}^1$

素因数の和:20896

約数の個数: 32

約数和(自身を含む): 21040992

約数和(自身を除く): 12900522

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20873, 41746, 62619, 104365, 125238, 208730, 271349, 313095, 542698, 626190, 814047, 1356745, 1628094, 2713490, 4070235, 8140470]

約数ペア:

[(1, 8140470), (2, 4070235), (3, 2713490), (5, 1628094), (6, 1356745), (10, 814047), (13, 626190), (15, 542698), (26, 313095), (30, 271349), (39, 208730), (65, 125238), (78, 104365), (130, 62619), (195, 41746), (390, 20873)]