25522840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91153}}^1$

素因数の和:91171

約数の個数: 32

約数和(自身を含む): 65630880

約数和(自身を除く): 40108040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91153, 182306, 364612, 455765, 638071, 729224, 911530, 1276142, 1823060, 2552284, 3190355, 3646120, 5104568, 6380710, 12761420, 25522840]

約数ペア:

[(1, 25522840), (2, 12761420), (4, 6380710), (5, 5104568), (7, 3646120), (8, 3190355), (10, 2552284), (14, 1823060), (20, 1276142), (28, 911530), (35, 729224), (40, 638071), (56, 455765), (70, 364612), (140, 182306), (280, 91153)]