20256342800

素因数分解:

$2^4\times 5^2\times {\mathrm{50640857}}^1$

素因数の和:50640875

約数の個数: 30

約数和(自身を含む): 48665864538

約数和(自身を除く): 28409521738

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50640857, 101281714, 202563428, 253204285, 405126856, 506408570, 810253712, 1012817140, 1266021425, 2025634280, 2532042850, 4051268560, 5064085700, 10128171400, 20256342800]

約数ペア:

[(1, 20256342800), (2, 10128171400), (4, 5064085700), (5, 4051268560), (8, 2532042850), (10, 2025634280), (16, 1266021425), (20, 1012817140), (25, 810253712), (40, 506408570), (50, 405126856), (80, 253204285), (100, 202563428), (200, 101281714), (400, 50640857)]