12666550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1499}}^1$

素因数の和:1537

約数の個数: 36

約数和(自身を含む): 25528500

約数和(自身を除く): 12861950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1499, 1690, 2998, 4225, 7495, 8450, 14990, 19487, 37475, 38974, 74950, 97435, 194870, 253331, 487175, 506662, 974350, 1266655, 2533310, 6333275, 12666550]

約数ペア:

[(1, 12666550), (2, 6333275), (5, 2533310), (10, 1266655), (13, 974350), (25, 506662), (26, 487175), (50, 253331), (65, 194870), (130, 97435), (169, 74950), (325, 38974), (338, 37475), (650, 19487), (845, 14990), (1499, 8450), (1690, 7495), (2998, 4225)]