49811420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80341}}^1$

素因数の和:80381

約数の個数: 24

約数和(自身を含む): 107979648

約数和(自身を除く): 58168228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 80341, 160682, 321364, 401705, 803410, 1606820, 2490571, 4981142, 9962284, 12452855, 24905710, 49811420]

約数ペア:

[(1, 49811420), (2, 24905710), (4, 12452855), (5, 9962284), (10, 4981142), (20, 2490571), (31, 1606820), (62, 803410), (124, 401705), (155, 321364), (310, 160682), (620, 80341)]