408135220

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{41903}}^1$

素因数の和:42399

約数の個数: 24

約数和(自身を含む): 858864384

約数和(自身を除く): 450729164

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 41903, 83806, 167612, 209515, 419030, 838060, 20406761, 40813522, 81627044, 102033805, 204067610, 408135220]

約数ペア:

[(1, 408135220), (2, 204067610), (4, 102033805), (5, 81627044), (10, 40813522), (20, 20406761), (487, 838060), (974, 419030), (1948, 209515), (2435, 167612), (4870, 83806), (9740, 41903)]