16641440

素因数分解:

$2^5\times 5^1\times {\mathrm{104009}}^1$

素因数の和:104024

約数の個数: 24

約数和(自身を含む): 39315780

約数和(自身を除く): 22674340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 104009, 208018, 416036, 520045, 832072, 1040090, 1664144, 2080180, 3328288, 4160360, 8320720, 16641440]

約数ペア:

[(1, 16641440), (2, 8320720), (4, 4160360), (5, 3328288), (8, 2080180), (10, 1664144), (16, 1040090), (20, 832072), (32, 520045), (40, 416036), (80, 208018), (160, 104009)]