12888820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 31667328

約数和(自身を除く): 18778508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2141, 3010, 4282, 6020, 8564, 10705, 14987, 21410, 29974, 42820, 59948, 74935, 92063, 149870, 184126, 299740, 368252, 460315, 644441, 920630, 1288882, 1841260, 2577764, 3222205, 6444410, 12888820]

約数ペア:

[(1, 12888820), (2, 6444410), (4, 3222205), (5, 2577764), (7, 1841260), (10, 1288882), (14, 920630), (20, 644441), (28, 460315), (35, 368252), (43, 299740), (70, 184126), (86, 149870), (140, 92063), (172, 74935), (215, 59948), (301, 42820), (430, 29974), (602, 21410), (860, 14987), (1204, 10705), (1505, 8564), (2141, 6020), (3010, 4282)]