81785060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2551}}^1$

素因数の和:2796

約数の個数: 48

約数和(自身を含む): 197218560

約数和(自身を除く): 115433500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 2551, 3206, 4580, 5102, 6412, 8015, 10204, 12755, 16030, 17857, 25510, 32060, 35714, 51020, 71428, 89285, 178570, 357140, 584179, 1168358, 2336716, 2920895, 4089253, 5841790, 8178506, 11683580, 16357012, 20446265, 40892530, 81785060]

約数ペア:

[(1, 81785060), (2, 40892530), (4, 20446265), (5, 16357012), (7, 11683580), (10, 8178506), (14, 5841790), (20, 4089253), (28, 2920895), (35, 2336716), (70, 1168358), (140, 584179), (229, 357140), (458, 178570), (916, 89285), (1145, 71428), (1603, 51020), (2290, 35714), (2551, 32060), (3206, 25510), (4580, 17857), (5102, 16030), (6412, 12755), (8015, 10204)]