25402580

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{23}}^2$

素因数の和:83

約数の個数: 90

約数和(自身を含む): 65056026

約数和(自身を除く): 39653446

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 343, 460, 490, 529, 644, 686, 805, 980, 1058, 1127, 1372, 1610, 1715, 2116, 2254, 2401, 2645, 3220, 3430, 3703, 4508, 4802, 5290, 5635, 6860, 7406, 7889, 9604, 10580, 11270, 12005, 14812, 15778, 18515, 22540, 24010, 25921, 31556, 37030, 39445, 48020, 51842, 55223, 74060, 78890, 103684, 110446, 129605, 157780, 181447, 220892, 259210, 276115, 362894, 518420, 552230, 725788, 907235, 1104460, 1270129, 1814470, 2540258, 3628940, 5080516, 6350645, 12701290, 25402580]

約数ペア:

[(1, 25402580), (2, 12701290), (4, 6350645), (5, 5080516), (7, 3628940), (10, 2540258), (14, 1814470), (20, 1270129), (23, 1104460), (28, 907235), (35, 725788), (46, 552230), (49, 518420), (70, 362894), (92, 276115), (98, 259210), (115, 220892), (140, 181447), (161, 157780), (196, 129605), (230, 110446), (245, 103684), (322, 78890), (343, 74060), (460, 55223), (490, 51842), (529, 48020), (644, 39445), (686, 37030), (805, 31556), (980, 25921), (1058, 24010), (1127, 22540), (1372, 18515), (1610, 15778), (1715, 14812), (2116, 12005), (2254, 11270), (2401, 10580), (2645, 9604), (3220, 7889), (3430, 7406), (3703, 6860), (4508, 5635), (4802, 5290)]