13983980

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1061}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 29438640

約数和(自身を除く): 15454660

約数列:

[1, 2, 4, 5, 10, 20, 659, 1061, 1318, 2122, 2636, 3295, 4244, 5305, 6590, 10610, 13180, 21220, 699199, 1398398, 2796796, 3495995, 6991990, 13983980]

約数ペア:

[(1, 13983980), (2, 6991990), (4, 3495995), (5, 2796796), (10, 1398398), (20, 699199), (659, 21220), (1061, 13180), (1318, 10610), (2122, 6590), (2636, 5305), (3295, 4244)]