31860320

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1861}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 76014288

約数和(自身を除く): 44153968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 1861, 2140, 3424, 3722, 4280, 7444, 8560, 9305, 14888, 17120, 18610, 29776, 37220, 59552, 74440, 148880, 199127, 297760, 398254, 796508, 995635, 1593016, 1991270, 3186032, 3982540, 6372064, 7965080, 15930160, 31860320]

約数ペア:

[(1, 31860320), (2, 15930160), (4, 7965080), (5, 6372064), (8, 3982540), (10, 3186032), (16, 1991270), (20, 1593016), (32, 995635), (40, 796508), (80, 398254), (107, 297760), (160, 199127), (214, 148880), (428, 74440), (535, 59552), (856, 37220), (1070, 29776), (1712, 18610), (1861, 17120), (2140, 14888), (3424, 9305), (3722, 8560), (4280, 7444)]