55689020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89821}}^1$

素因数の和:89861

約数の個数: 24

約数和(自身を含む): 120720768

約数和(自身を除く): 65031748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 89821, 179642, 359284, 449105, 898210, 1796420, 2784451, 5568902, 11137804, 13922255, 27844510, 55689020]

約数ペア:

[(1, 55689020), (2, 27844510), (4, 13922255), (5, 11137804), (10, 5568902), (20, 2784451), (31, 1796420), (62, 898210), (124, 449105), (155, 359284), (310, 179642), (620, 89821)]