38863540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7561}}^1$

素因数の和:7827

約数の個数: 24

約数和(自身を含む): 81941832

約数和(自身を除く): 43078292

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7561, 15122, 30244, 37805, 75610, 151220, 1943177, 3886354, 7772708, 9715885, 19431770, 38863540]

約数ペア:

[(1, 38863540), (2, 19431770), (4, 9715885), (5, 7772708), (10, 3886354), (20, 1943177), (257, 151220), (514, 75610), (1028, 37805), (1285, 30244), (2570, 15122), (5140, 7561)]