11505880

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{919}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 25999200

約数和(自身を除く): 14493320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 919, 1252, 1565, 1838, 2504, 3130, 3676, 4595, 6260, 7352, 9190, 12520, 18380, 36760, 287647, 575294, 1150588, 1438235, 2301176, 2876470, 5752940, 11505880]

約数ペア:

[(1, 11505880), (2, 5752940), (4, 2876470), (5, 2301176), (8, 1438235), (10, 1150588), (20, 575294), (40, 287647), (313, 36760), (626, 18380), (919, 12520), (1252, 9190), (1565, 7352), (1838, 6260), (2504, 4595), (3130, 3676)]