79892020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307277}}^1$

素因数の和:307299

約数の個数: 24

約数和(自身を含む): 180679464

約数和(自身を除く): 100787444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307277, 614554, 1229108, 1536385, 3072770, 3994601, 6145540, 7989202, 15978404, 19973005, 39946010, 79892020]

約数ペア:

[(1, 79892020), (2, 39946010), (4, 19973005), (5, 15978404), (10, 7989202), (13, 6145540), (20, 3994601), (26, 3072770), (52, 1536385), (65, 1229108), (130, 614554), (260, 307277)]