25920860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{185149}}^1$

素因数の和:185165

約数の個数: 24

約数和(自身を含む): 62210400

約数和(自身を除く): 36289540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 185149, 370298, 740596, 925745, 1296043, 1851490, 2592086, 3702980, 5184172, 6480215, 12960430, 25920860]

約数ペア:

[(1, 25920860), (2, 12960430), (4, 6480215), (5, 5184172), (7, 3702980), (10, 2592086), (14, 1851490), (20, 1296043), (28, 925745), (35, 740596), (70, 370298), (140, 185149)]