20274328400

素因数分解:

$2^4\times 5^2\times {\mathrm{50685821}}^1$

素因数の和:50685839

約数の個数: 30

約数和(自身を含む): 48709074942

約数和(自身を除く): 28434746542

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50685821, 101371642, 202743284, 253429105, 405486568, 506858210, 810973136, 1013716420, 1267145525, 2027432840, 2534291050, 4054865680, 5068582100, 10137164200, 20274328400]

約数ペア:

[(1, 20274328400), (2, 10137164200), (4, 5068582100), (5, 4054865680), (8, 2534291050), (10, 2027432840), (16, 1267145525), (20, 1013716420), (25, 810973136), (40, 506858210), (50, 405486568), (80, 253429105), (100, 202743284), (200, 101371642), (400, 50685821)]