202171580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{777583}}^1$

素因数の和:777605

約数の個数: 24

約数和(自身を含む): 457219392

約数和(自身を除く): 255047812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 777583, 1555166, 3110332, 3887915, 7775830, 10108579, 15551660, 20217158, 40434316, 50542895, 101085790, 202171580]

約数ペア:

[(1, 202171580), (2, 101085790), (4, 50542895), (5, 40434316), (10, 20217158), (13, 15551660), (20, 10108579), (26, 7775830), (52, 3887915), (65, 3110332), (130, 1555166), (260, 777583)]