13512920

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{677}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 30510000

約数和(自身を除く): 16997080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 677, 998, 1354, 1996, 2495, 2708, 3385, 3992, 4990, 5416, 6770, 9980, 13540, 19960, 27080, 337823, 675646, 1351292, 1689115, 2702584, 3378230, 6756460, 13512920]

約数ペア:

[(1, 13512920), (2, 6756460), (4, 3378230), (5, 2702584), (8, 1689115), (10, 1351292), (20, 675646), (40, 337823), (499, 27080), (677, 19960), (998, 13540), (1354, 9980), (1996, 6770), (2495, 5416), (2708, 4990), (3385, 3992)]