127346960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122449}}^1$

素因数の和:122475

約数の個数: 40

約数和(自身を含む): 318859800

約数和(自身を除く): 191512840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 122449, 244898, 489796, 612245, 979592, 1224490, 1591837, 1959184, 2448980, 3183674, 4897960, 6367348, 7959185, 9795920, 12734696, 15918370, 25469392, 31836740, 63673480, 127346960]

約数ペア:

[(1, 127346960), (2, 63673480), (4, 31836740), (5, 25469392), (8, 15918370), (10, 12734696), (13, 9795920), (16, 7959185), (20, 6367348), (26, 4897960), (40, 3183674), (52, 2448980), (65, 1959184), (80, 1591837), (104, 1224490), (130, 979592), (208, 612245), (260, 489796), (520, 244898), (1040, 122449)]