12645260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 15659380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 311, 380, 428, 535, 622, 1070, 1244, 1555, 2033, 2140, 3110, 4066, 5909, 6220, 8132, 10165, 11818, 20330, 23636, 29545, 33277, 40660, 59090, 66554, 118180, 133108, 166385, 332770, 632263, 665540, 1264526, 2529052, 3161315, 6322630, 12645260]

約数ペア:

[(1, 12645260), (2, 6322630), (4, 3161315), (5, 2529052), (10, 1264526), (19, 665540), (20, 632263), (38, 332770), (76, 166385), (95, 133108), (107, 118180), (190, 66554), (214, 59090), (311, 40660), (380, 33277), (428, 29545), (535, 23636), (622, 20330), (1070, 11818), (1244, 10165), (1555, 8132), (2033, 6220), (2140, 5909), (3110, 4066)]