90061250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:792

約数の個数: 40

約数和(自身を含む): 170617260

約数和(自身を除く): 80556010

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 625, 661, 1090, 1250, 1322, 2725, 3305, 5450, 6610, 13625, 16525, 27250, 33050, 68125, 72049, 82625, 136250, 144098, 165250, 360245, 413125, 720490, 826250, 1801225, 3602450, 9006125, 18012250, 45030625, 90061250]

約数ペア:

[(1, 90061250), (2, 45030625), (5, 18012250), (10, 9006125), (25, 3602450), (50, 1801225), (109, 826250), (125, 720490), (218, 413125), (250, 360245), (545, 165250), (625, 144098), (661, 136250), (1090, 82625), (1250, 72049), (1322, 68125), (2725, 33050), (3305, 27250), (5450, 16525), (6610, 13625)]