340840880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{80387}}^1$

素因数の和:80453

約数の個数: 40

約数和(自身を含む): 807417072

約数和(自身を除く): 466576192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 80387, 160774, 321548, 401935, 643096, 803870, 1286192, 1607740, 3215480, 4260511, 6430960, 8521022, 17042044, 21302555, 34084088, 42605110, 68168176, 85210220, 170420440, 340840880]

約数ペア:

[(1, 340840880), (2, 170420440), (4, 85210220), (5, 68168176), (8, 42605110), (10, 34084088), (16, 21302555), (20, 17042044), (40, 8521022), (53, 6430960), (80, 4260511), (106, 3215480), (212, 1607740), (265, 1286192), (424, 803870), (530, 643096), (848, 401935), (1060, 321548), (2120, 160774), (4240, 80387)]