12921350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 26269152

約数和(自身を除く): 13347802

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 193, 206, 325, 386, 515, 650, 965, 1030, 1339, 1930, 2509, 2575, 2678, 4825, 5018, 5150, 6695, 9650, 12545, 13390, 19879, 25090, 33475, 39758, 62725, 66950, 99395, 125450, 198790, 258427, 496975, 516854, 993950, 1292135, 2584270, 6460675, 12921350]

約数ペア:

[(1, 12921350), (2, 6460675), (5, 2584270), (10, 1292135), (13, 993950), (25, 516854), (26, 496975), (50, 258427), (65, 198790), (103, 125450), (130, 99395), (193, 66950), (206, 62725), (325, 39758), (386, 33475), (515, 25090), (650, 19879), (965, 13390), (1030, 12545), (1339, 9650), (1930, 6695), (2509, 5150), (2575, 5018), (2678, 4825)]