25676840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91703}}^1$

素因数の和:91721

約数の個数: 32

約数和(自身を含む): 66026880

約数和(自身を除く): 40350040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91703, 183406, 366812, 458515, 641921, 733624, 917030, 1283842, 1834060, 2567684, 3209605, 3668120, 5135368, 6419210, 12838420, 25676840]

約数ペア:

[(1, 25676840), (2, 12838420), (4, 6419210), (5, 5135368), (7, 3668120), (8, 3209605), (10, 2567684), (14, 1834060), (20, 1283842), (28, 917030), (35, 733624), (40, 641921), (56, 458515), (70, 366812), (140, 183406), (280, 91703)]