12983980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1301}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 27342000

約数和(自身を除く): 14358020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1301, 1996, 2495, 2602, 4990, 5204, 6505, 9980, 13010, 26020, 649199, 1298398, 2596796, 3245995, 6491990, 12983980]

約数ペア:

[(1, 12983980), (2, 6491990), (4, 3245995), (5, 2596796), (10, 1298398), (20, 649199), (499, 26020), (998, 13010), (1301, 9980), (1996, 6505), (2495, 5204), (2602, 4990)]