28762040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13567}}^1$

素因数の和:13631

約数の個数: 32

約数和(自身を含む): 65940480

約数和(自身を除く): 37178440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13567, 27134, 54268, 67835, 108536, 135670, 271340, 542680, 719051, 1438102, 2876204, 3595255, 5752408, 7190510, 14381020, 28762040]

約数ペア:

[(1, 28762040), (2, 14381020), (4, 7190510), (5, 5752408), (8, 3595255), (10, 2876204), (20, 1438102), (40, 719051), (53, 542680), (106, 271340), (212, 135670), (265, 108536), (424, 67835), (530, 54268), (1060, 27134), (2120, 13567)]