25842700

素因数分解:

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

素因数の和:323

約数の個数: 72

約数和(自身を含む): 61294688

約数和(自身を除く): 35451988

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 103, 130, 193, 206, 260, 325, 386, 412, 515, 650, 772, 965, 1030, 1300, 1339, 1930, 2060, 2509, 2575, 2678, 3860, 4825, 5018, 5150, 5356, 6695, 9650, 10036, 10300, 12545, 13390, 19300, 19879, 25090, 26780, 33475, 39758, 50180, 62725, 66950, 79516, 99395, 125450, 133900, 198790, 250900, 258427, 397580, 496975, 516854, 993950, 1033708, 1292135, 1987900, 2584270, 5168540, 6460675, 12921350, 25842700]

約数ペア:

[(1, 25842700), (2, 12921350), (4, 6460675), (5, 5168540), (10, 2584270), (13, 1987900), (20, 1292135), (25, 1033708), (26, 993950), (50, 516854), (52, 496975), (65, 397580), (100, 258427), (103, 250900), (130, 198790), (193, 133900), (206, 125450), (260, 99395), (325, 79516), (386, 66950), (412, 62725), (515, 50180), (650, 39758), (772, 33475), (965, 26780), (1030, 25090), (1300, 19879), (1339, 19300), (1930, 13390), (2060, 12545), (2509, 10300), (2575, 10036), (2678, 9650), (3860, 6695), (4825, 5356), (5018, 5150)]