25965520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 43672880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 233, 280, 398, 466, 560, 796, 932, 995, 1165, 1393, 1592, 1631, 1864, 1990, 2330, 2786, 3184, 3262, 3728, 3980, 4660, 5572, 6524, 6965, 7960, 8155, 9320, 11144, 13048, 13930, 15920, 16310, 18640, 22288, 26096, 27860, 32620, 46367, 55720, 65240, 92734, 111440, 130480, 185468, 231835, 324569, 370936, 463670, 649138, 741872, 927340, 1298276, 1622845, 1854680, 2596552, 3245690, 3709360, 5193104, 6491380, 12982760, 25965520]

約数ペア:

[(1, 25965520), (2, 12982760), (4, 6491380), (5, 5193104), (7, 3709360), (8, 3245690), (10, 2596552), (14, 1854680), (16, 1622845), (20, 1298276), (28, 927340), (35, 741872), (40, 649138), (56, 463670), (70, 370936), (80, 324569), (112, 231835), (140, 185468), (199, 130480), (233, 111440), (280, 92734), (398, 65240), (466, 55720), (560, 46367), (796, 32620), (932, 27860), (995, 26096), (1165, 22288), (1393, 18640), (1592, 16310), (1631, 15920), (1864, 13930), (1990, 13048), (2330, 11144), (2786, 9320), (3184, 8155), (3262, 7960), (3728, 6965), (3980, 6524), (4660, 5572)]