25491760

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{929}}^1$

素因数の和:963

約数の個数: 80

約数和(自身を含む): 69192000

約数和(自身を除く): 43700240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 929, 980, 1372, 1715, 1858, 1960, 2744, 3430, 3716, 3920, 4645, 5488, 6503, 6860, 7432, 9290, 13006, 13720, 14864, 18580, 26012, 27440, 32515, 37160, 45521, 52024, 65030, 74320, 91042, 104048, 130060, 182084, 227605, 260120, 318647, 364168, 455210, 520240, 637294, 728336, 910420, 1274588, 1593235, 1820840, 2549176, 3186470, 3641680, 5098352, 6372940, 12745880, 25491760]

約数ペア:

[(1, 25491760), (2, 12745880), (4, 6372940), (5, 5098352), (7, 3641680), (8, 3186470), (10, 2549176), (14, 1820840), (16, 1593235), (20, 1274588), (28, 910420), (35, 728336), (40, 637294), (49, 520240), (56, 455210), (70, 364168), (80, 318647), (98, 260120), (112, 227605), (140, 182084), (196, 130060), (245, 104048), (280, 91042), (343, 74320), (392, 65030), (490, 52024), (560, 45521), (686, 37160), (784, 32515), (929, 27440), (980, 26012), (1372, 18580), (1715, 14864), (1858, 13720), (1960, 13006), (2744, 9290), (3430, 7432), (3716, 6860), (3920, 6503), (4645, 5488)]