25772840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12157}}^1$

素因数の和:12221

約数の個数: 32

約数和(自身を含む): 59087880

約数和(自身を除く): 33315040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 12157, 24314, 48628, 60785, 97256, 121570, 243140, 486280, 644321, 1288642, 2577284, 3221605, 5154568, 6443210, 12886420, 25772840]

約数ペア:

[(1, 25772840), (2, 12886420), (4, 6443210), (5, 5154568), (8, 3221605), (10, 2577284), (20, 1288642), (40, 644321), (53, 486280), (106, 243140), (212, 121570), (265, 97256), (424, 60785), (530, 48628), (1060, 24314), (2120, 12157)]