15894680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2531}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 36005040

約数和(自身を除く): 20110360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2531, 3140, 5062, 6280, 10124, 12655, 20248, 25310, 50620, 101240, 397367, 794734, 1589468, 1986835, 3178936, 3973670, 7947340, 15894680]

約数ペア:

[(1, 15894680), (2, 7947340), (4, 3973670), (5, 3178936), (8, 1986835), (10, 1589468), (20, 794734), (40, 397367), (157, 101240), (314, 50620), (628, 25310), (785, 20248), (1256, 12655), (1570, 10124), (2531, 6280), (3140, 5062)]