2018756560

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{113159}}^1$

素因数の和:113395

約数の個数: 40

約数和(自身を含む): 4714698240

約数和(自身を除く): 2695941680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 113159, 226318, 452636, 565795, 905272, 1131590, 1810544, 2263180, 4526360, 9052720, 25234457, 50468914, 100937828, 126172285, 201875656, 252344570, 403751312, 504689140, 1009378280, 2018756560]

約数ペア:

[(1, 2018756560), (2, 1009378280), (4, 504689140), (5, 403751312), (8, 252344570), (10, 201875656), (16, 126172285), (20, 100937828), (40, 50468914), (80, 25234457), (223, 9052720), (446, 4526360), (892, 2263180), (1115, 1810544), (1784, 1131590), (2230, 905272), (3568, 565795), (4460, 452636), (8920, 226318), (17840, 113159)]