51264680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16223}}^1$

素因数の和:16313

約数の個数: 32

約数和(自身を含む): 116812800

約数和(自身を除く): 65548120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 16223, 32446, 64892, 81115, 129784, 162230, 324460, 648920, 1281617, 2563234, 5126468, 6408085, 10252936, 12816170, 25632340, 51264680]

約数ペア:

[(1, 51264680), (2, 25632340), (4, 12816170), (5, 10252936), (8, 6408085), (10, 5126468), (20, 2563234), (40, 1281617), (79, 648920), (158, 324460), (316, 162230), (395, 129784), (632, 81115), (790, 64892), (1580, 32446), (3160, 16223)]