28299440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27211}}^1$

素因数の和:27237

約数の個数: 40

約数和(自身を含む): 70860048

約数和(自身を除く): 42560608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27211, 54422, 108844, 136055, 217688, 272110, 353743, 435376, 544220, 707486, 1088440, 1414972, 1768715, 2176880, 2829944, 3537430, 5659888, 7074860, 14149720, 28299440]

約数ペア:

[(1, 28299440), (2, 14149720), (4, 7074860), (5, 5659888), (8, 3537430), (10, 2829944), (13, 2176880), (16, 1768715), (20, 1414972), (26, 1088440), (40, 707486), (52, 544220), (65, 435376), (80, 353743), (104, 272110), (130, 217688), (208, 136055), (260, 108844), (520, 54422), (1040, 27211)]