28897420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9203}}^1$

素因数の和:9369

約数の個数: 24

約数和(自身を含む): 61077744

約数和(自身を除く): 32180324

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 9203, 18406, 36812, 46015, 92030, 184060, 1444871, 2889742, 5779484, 7224355, 14448710, 28897420]

約数ペア:

[(1, 28897420), (2, 14448710), (4, 7224355), (5, 5779484), (10, 2889742), (20, 1444871), (157, 184060), (314, 92030), (628, 46015), (785, 36812), (1570, 18406), (3140, 9203)]