25898220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{143879}}^1$

素因数の和:143894

約数の個数: 36

約数和(自身を含む): 78558480

約数和(自身を除く): 52660260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 143879, 287758, 431637, 575516, 719395, 863274, 1294911, 1438790, 1726548, 2158185, 2589822, 2877580, 4316370, 5179644, 6474555, 8632740, 12949110, 25898220]

約数ペア:

[(1, 25898220), (2, 12949110), (3, 8632740), (4, 6474555), (5, 5179644), (6, 4316370), (9, 2877580), (10, 2589822), (12, 2158185), (15, 1726548), (18, 1438790), (20, 1294911), (30, 863274), (36, 719395), (45, 575516), (60, 431637), (90, 287758), (180, 143879)]