164072080

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7247}}^1$

素因数の和:7543

約数の個数: 40

約数和(自身を含む): 382868352

約数和(自身を除く): 218796272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 2264, 2830, 4528, 5660, 7247, 11320, 14494, 22640, 28988, 36235, 57976, 72470, 115952, 144940, 289880, 579760, 2050901, 4101802, 8203604, 10254505, 16407208, 20509010, 32814416, 41018020, 82036040, 164072080]

約数ペア:

[(1, 164072080), (2, 82036040), (4, 41018020), (5, 32814416), (8, 20509010), (10, 16407208), (16, 10254505), (20, 8203604), (40, 4101802), (80, 2050901), (283, 579760), (566, 289880), (1132, 144940), (1415, 115952), (2264, 72470), (2830, 57976), (4528, 36235), (5660, 28988), (7247, 22640), (11320, 14494)]