71515120

素因数分解:

$2^4\times 5^1\times {\mathrm{893939}}^1$

素因数の和:893952

約数の個数: 20

約数和(自身を含む): 166272840

約数和(自身を除く): 94757720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 893939, 1787878, 3575756, 4469695, 7151512, 8939390, 14303024, 17878780, 35757560, 71515120]

約数ペア:

[(1, 71515120), (2, 35757560), (4, 17878780), (5, 14303024), (8, 8939390), (10, 7151512), (16, 4469695), (20, 3575756), (40, 1787878), (80, 893939)]