64892860

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{19429}}^1$

素因数の和:19605

約数の個数: 24

約数和(自身を含む): 137098080

約数和(自身を除く): 72205220

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 19429, 38858, 77716, 97145, 194290, 388580, 3244643, 6489286, 12978572, 16223215, 32446430, 64892860]

約数ペア:

[(1, 64892860), (2, 32446430), (4, 16223215), (5, 12978572), (10, 6489286), (20, 3244643), (167, 388580), (334, 194290), (668, 97145), (835, 77716), (1670, 38858), (3340, 19429)]