12883960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18947}}^1$

素因数の和:18975

約数の個数: 32

約数和(自身を含む): 30695760

約数和(自身を除く): 17811800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18947, 37894, 75788, 94735, 151576, 189470, 322099, 378940, 644198, 757880, 1288396, 1610495, 2576792, 3220990, 6441980, 12883960]

約数ペア:

[(1, 12883960), (2, 6441980), (4, 3220990), (5, 2576792), (8, 1610495), (10, 1288396), (17, 757880), (20, 644198), (34, 378940), (40, 322099), (68, 189470), (85, 151576), (136, 94735), (170, 75788), (340, 37894), (680, 18947)]