2539280

素因数分解:

$2^4\times 5^1\times {\mathrm{31741}}^1$

素因数の和:31754

約数の個数: 20

約数和(自身を含む): 5904012

約数和(自身を除く): 3364732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31741, 63482, 126964, 158705, 253928, 317410, 507856, 634820, 1269640, 2539280]

約数ペア:

[(1, 2539280), (2, 1269640), (4, 634820), (5, 507856), (8, 317410), (10, 253928), (16, 158705), (20, 126964), (40, 63482), (80, 31741)]