26405120

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 108

約数和(自身を含む): 73749564

約数和(自身を除く): 47344444

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 421, 448, 490, 560, 640, 784, 842, 896, 980, 1120, 1280, 1568, 1684, 1792, 1960, 2105, 2240, 2947, 3136, 3368, 3920, 4210, 4480, 5894, 6272, 6736, 7840, 8420, 8960, 11788, 12544, 13472, 14735, 15680, 16840, 20629, 23576, 26944, 29470, 31360, 33680, 41258, 47152, 53888, 58940, 62720, 67360, 82516, 94304, 103145, 107776, 117880, 134720, 165032, 188608, 206290, 235760, 269440, 330064, 377216, 412580, 471520, 538880, 660128, 754432, 825160, 943040, 1320256, 1650320, 1886080, 2640512, 3300640, 3772160, 5281024, 6601280, 13202560, 26405120]

約数ペア:

[(1, 26405120), (2, 13202560), (4, 6601280), (5, 5281024), (7, 3772160), (8, 3300640), (10, 2640512), (14, 1886080), (16, 1650320), (20, 1320256), (28, 943040), (32, 825160), (35, 754432), (40, 660128), (49, 538880), (56, 471520), (64, 412580), (70, 377216), (80, 330064), (98, 269440), (112, 235760), (128, 206290), (140, 188608), (160, 165032), (196, 134720), (224, 117880), (245, 107776), (256, 103145), (280, 94304), (320, 82516), (392, 67360), (421, 62720), (448, 58940), (490, 53888), (560, 47152), (640, 41258), (784, 33680), (842, 31360), (896, 29470), (980, 26944), (1120, 23576), (1280, 20629), (1568, 16840), (1684, 15680), (1792, 14735), (1960, 13472), (2105, 12544), (2240, 11788), (2947, 8960), (3136, 8420), (3368, 7840), (3920, 6736), (4210, 6272), (4480, 5894)]