64324580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 138692736

約数和(自身を除く): 74368156

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 467, 485, 710, 934, 970, 1420, 1868, 1940, 2335, 4670, 6887, 9340, 13774, 27548, 33157, 34435, 45299, 66314, 68870, 90598, 132628, 137740, 165785, 181196, 226495, 331570, 452990, 663140, 905980, 3216229, 6432458, 12864916, 16081145, 32162290, 64324580]

約数ペア:

[(1, 64324580), (2, 32162290), (4, 16081145), (5, 12864916), (10, 6432458), (20, 3216229), (71, 905980), (97, 663140), (142, 452990), (194, 331570), (284, 226495), (355, 181196), (388, 165785), (467, 137740), (485, 132628), (710, 90598), (934, 68870), (970, 66314), (1420, 45299), (1868, 34435), (1940, 33157), (2335, 27548), (4670, 13774), (6887, 9340)]