28392400

素因数分解:

$2^4\times 5^2\times {\mathrm{70981}}^1$

素因数の和:70999

約数の個数: 30

約数和(自身を含む): 68213702

約数和(自身を除く): 39821302

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70981, 141962, 283924, 354905, 567848, 709810, 1135696, 1419620, 1774525, 2839240, 3549050, 5678480, 7098100, 14196200, 28392400]

約数ペア:

[(1, 28392400), (2, 14196200), (4, 7098100), (5, 5678480), (8, 3549050), (10, 2839240), (16, 1774525), (20, 1419620), (25, 1135696), (40, 709810), (50, 567848), (80, 354905), (100, 283924), (200, 141962), (400, 70981)]