64874680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124759}}^1$

素因数の和:124783

約数の個数: 32

約数和(自身を含む): 157197600

約数和(自身を除く): 92322920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124759, 249518, 499036, 623795, 998072, 1247590, 1621867, 2495180, 3243734, 4990360, 6487468, 8109335, 12974936, 16218670, 32437340, 64874680]

約数ペア:

[(1, 64874680), (2, 32437340), (4, 16218670), (5, 12974936), (8, 8109335), (10, 6487468), (13, 4990360), (20, 3243734), (26, 2495180), (40, 1621867), (52, 1247590), (65, 998072), (104, 623795), (130, 499036), (260, 249518), (520, 124759)]