25481680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45503}}^1$

素因数の和:45523

約数の個数: 40

約数和(自身を含む): 67709952

約数和(自身を除く): 42228272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45503, 91006, 182012, 227515, 318521, 364024, 455030, 637042, 728048, 910060, 1274084, 1592605, 1820120, 2548168, 3185210, 3640240, 5096336, 6370420, 12740840, 25481680]

約数ペア:

[(1, 25481680), (2, 12740840), (4, 6370420), (5, 5096336), (7, 3640240), (8, 3185210), (10, 2548168), (14, 1820120), (16, 1592605), (20, 1274084), (28, 910060), (35, 728048), (40, 637042), (56, 455030), (70, 364024), (80, 318521), (112, 227515), (140, 182012), (280, 91006), (560, 45503)]