20150320

素因数分解:

$2^4\times 5^1\times {\mathrm{251879}}^1$

素因数の和:251892

約数の個数: 20

約数和(自身を含む): 46849680

約数和(自身を除く): 26699360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251879, 503758, 1007516, 1259395, 2015032, 2518790, 4030064, 5037580, 10075160, 20150320]

約数ペア:

[(1, 20150320), (2, 10075160), (4, 5037580), (5, 4030064), (8, 2518790), (10, 2015032), (16, 1259395), (20, 1007516), (40, 503758), (80, 251879)]