31244320

素因数分解:

$2^5\times 5^1\times {\mathrm{195277}}^1$

素因数の和:195292

約数の個数: 24

約数和(自身を含む): 73815084

約数和(自身を除く): 42570764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 195277, 390554, 781108, 976385, 1562216, 1952770, 3124432, 3905540, 6248864, 7811080, 15622160, 31244320]

約数ペア:

[(1, 31244320), (2, 15622160), (4, 7811080), (5, 6248864), (8, 3905540), (10, 3124432), (16, 1952770), (20, 1562216), (32, 976385), (40, 781108), (80, 390554), (160, 195277)]