391844240

素因数分解:

$2^4\times 5^1\times {\mathrm{4898053}}^1$

素因数の和:4898066

約数の個数: 20

約数和(自身を含む): 911038044

約数和(自身を除く): 519193804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4898053, 9796106, 19592212, 24490265, 39184424, 48980530, 78368848, 97961060, 195922120, 391844240]

約数ペア:

[(1, 391844240), (2, 195922120), (4, 97961060), (5, 78368848), (8, 48980530), (10, 39184424), (16, 24490265), (20, 19592212), (40, 9796106), (80, 4898053)]