12741220

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3559}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 26913600

約数和(自身を除く): 14172380

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3559, 3580, 7118, 14236, 17795, 35590, 71180, 637061, 1274122, 2548244, 3185305, 6370610, 12741220]

約数ペア:

[(1, 12741220), (2, 6370610), (4, 3185305), (5, 2548244), (10, 1274122), (20, 637061), (179, 71180), (358, 35590), (716, 17795), (895, 14236), (1790, 7118), (3559, 3580)]