291121360

素因数分解:

$2^4\times 5^1\times {\mathrm{3639017}}^1$

素因数の和:3639030

約数の個数: 20

約数和(自身を含む): 676857348

約数和(自身を除く): 385735988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3639017, 7278034, 14556068, 18195085, 29112136, 36390170, 58224272, 72780340, 145560680, 291121360]

約数ペア:

[(1, 291121360), (2, 145560680), (4, 72780340), (5, 58224272), (8, 36390170), (10, 29112136), (16, 18195085), (20, 14556068), (40, 7278034), (80, 3639017)]