1320354680

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{125509}}^1$

素因数の和:125783

約数の個数: 32

約数和(自身を含む): 2982117600

約数和(自身を除く): 1661762920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 125509, 251018, 502036, 627545, 1004072, 1255090, 2510180, 5020360, 33008867, 66017734, 132035468, 165044335, 264070936, 330088670, 660177340, 1320354680]

約数ペア:

[(1, 1320354680), (2, 660177340), (4, 330088670), (5, 264070936), (8, 165044335), (10, 132035468), (20, 66017734), (40, 33008867), (263, 5020360), (526, 2510180), (1052, 1255090), (1315, 1004072), (2104, 627545), (2630, 502036), (5260, 251018), (10520, 125509)]