25417280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1621}}^1$

素因数の和:1652

約数の個数: 84

約数和(自身を含む): 70449948

約数和(自身を除く): 45032668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1621, 1960, 2240, 3136, 3242, 3920, 6484, 7840, 8105, 11347, 12968, 15680, 16210, 22694, 25936, 32420, 45388, 51872, 56735, 64840, 79429, 90776, 103744, 113470, 129680, 158858, 181552, 226940, 259360, 317716, 363104, 397145, 453880, 518720, 635432, 726208, 794290, 907760, 1270864, 1588580, 1815520, 2541728, 3177160, 3631040, 5083456, 6354320, 12708640, 25417280]

約数ペア:

[(1, 25417280), (2, 12708640), (4, 6354320), (5, 5083456), (7, 3631040), (8, 3177160), (10, 2541728), (14, 1815520), (16, 1588580), (20, 1270864), (28, 907760), (32, 794290), (35, 726208), (40, 635432), (49, 518720), (56, 453880), (64, 397145), (70, 363104), (80, 317716), (98, 259360), (112, 226940), (140, 181552), (160, 158858), (196, 129680), (224, 113470), (245, 103744), (280, 90776), (320, 79429), (392, 64840), (448, 56735), (490, 51872), (560, 45388), (784, 32420), (980, 25936), (1120, 22694), (1568, 16210), (1621, 15680), (1960, 12968), (2240, 11347), (3136, 8105), (3242, 7840), (3920, 6484)]