2454680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 5583600

約数和(自身を除く): 3128920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 563, 872, 1090, 1126, 2180, 2252, 2815, 4360, 4504, 5630, 11260, 22520, 61367, 122734, 245468, 306835, 490936, 613670, 1227340, 2454680]

約数ペア:

[(1, 2454680), (2, 1227340), (4, 613670), (5, 490936), (8, 306835), (10, 245468), (20, 122734), (40, 61367), (109, 22520), (218, 11260), (436, 5630), (545, 4504), (563, 4360), (872, 2815), (1090, 2252), (1126, 2180)]