31789360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2531}}^1$

素因数の和:2701

約数の個数: 40

約数和(自身を含む): 74410416

約数和(自身を除く): 42621056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 2531, 3140, 5062, 6280, 10124, 12560, 12655, 20248, 25310, 40496, 50620, 101240, 202480, 397367, 794734, 1589468, 1986835, 3178936, 3973670, 6357872, 7947340, 15894680, 31789360]

約数ペア:

[(1, 31789360), (2, 15894680), (4, 7947340), (5, 6357872), (8, 3973670), (10, 3178936), (16, 1986835), (20, 1589468), (40, 794734), (80, 397367), (157, 202480), (314, 101240), (628, 50620), (785, 40496), (1256, 25310), (1570, 20248), (2512, 12655), (2531, 12560), (3140, 10124), (5062, 6280)]