28714520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6709}}^1$

素因数の和:6827

約数の個数: 32

約数和(自身を含む): 65221200

約数和(自身を除く): 36506680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 6709, 13418, 26836, 33545, 53672, 67090, 134180, 268360, 717863, 1435726, 2871452, 3589315, 5742904, 7178630, 14357260, 28714520]

約数ペア:

[(1, 28714520), (2, 14357260), (4, 7178630), (5, 5742904), (8, 3589315), (10, 2871452), (20, 1435726), (40, 717863), (107, 268360), (214, 134180), (428, 67090), (535, 53672), (856, 33545), (1070, 26836), (2140, 13418), (4280, 6709)]