290425840

素因数分解:

$2^4\times 5^1\times {\mathrm{3630323}}^1$

素因数の和:3630336

約数の個数: 20

約数和(自身を含む): 675240264

約数和(自身を除く): 384814424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3630323, 7260646, 14521292, 18151615, 29042584, 36303230, 58085168, 72606460, 145212920, 290425840]

約数ペア:

[(1, 290425840), (2, 145212920), (4, 72606460), (5, 58085168), (8, 36303230), (10, 29042584), (16, 18151615), (20, 14521292), (40, 7260646), (80, 3630323)]