159290020

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{25943}}^1$

素因数の和:26259

約数の個数: 24

約数和(自身を含む): 335611584

約数和(自身を除く): 176321564

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 25943, 51886, 103772, 129715, 259430, 518860, 7964501, 15929002, 31858004, 39822505, 79645010, 159290020]

約数ペア:

[(1, 159290020), (2, 79645010), (4, 39822505), (5, 31858004), (10, 15929002), (20, 7964501), (307, 518860), (614, 259430), (1228, 129715), (1535, 103772), (3070, 51886), (6140, 25943)]