12400120

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2053}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 28098720

約数和(自身を除く): 15698600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 2053, 3020, 4106, 6040, 8212, 10265, 16424, 20530, 41060, 82120, 310003, 620006, 1240012, 1550015, 2480024, 3100030, 6200060, 12400120]

約数ペア:

[(1, 12400120), (2, 6200060), (4, 3100030), (5, 2480024), (8, 1550015), (10, 1240012), (20, 620006), (40, 310003), (151, 82120), (302, 41060), (604, 20530), (755, 16424), (1208, 10265), (1510, 8212), (2053, 6040), (3020, 4106)]