80538400

素因数分解:

$2^5\times 5^2\times {\mathrm{100673}}^1$

素因数の和:100693

約数の個数: 36

約数和(自身を含む): 196616322

約数和(自身を除く): 116077922

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 100673, 201346, 402692, 503365, 805384, 1006730, 1610768, 2013460, 2516825, 3221536, 4026920, 5033650, 8053840, 10067300, 16107680, 20134600, 40269200, 80538400]

約数ペア:

[(1, 80538400), (2, 40269200), (4, 20134600), (5, 16107680), (8, 10067300), (10, 8053840), (16, 5033650), (20, 4026920), (25, 3221536), (32, 2516825), (40, 2013460), (50, 1610768), (80, 1006730), (100, 805384), (160, 503365), (200, 402692), (400, 201346), (800, 100673)]