220419025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{787}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 290204640

約数和(自身を除く): 69785615

約数列:

[1, 5, 17, 25, 85, 425, 659, 787, 3295, 3935, 11203, 13379, 16475, 19675, 56015, 66895, 280075, 334475, 518633, 2593165, 8816761, 12965825, 44083805, 220419025]

約数ペア:

[(1, 220419025), (5, 44083805), (17, 12965825), (25, 8816761), (85, 2593165), (425, 518633), (659, 334475), (787, 280075), (3295, 66895), (3935, 56015), (11203, 19675), (13379, 16475)]