2578540

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 5448240

約数和(自身を除く): 2869700

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 563, 916, 1126, 1145, 2252, 2290, 2815, 4580, 5630, 11260, 128927, 257854, 515708, 644635, 1289270, 2578540]

約数ペア:

[(1, 2578540), (2, 1289270), (4, 644635), (5, 515708), (10, 257854), (20, 128927), (229, 11260), (458, 5630), (563, 4580), (916, 2815), (1126, 2290), (1145, 2252)]