80836420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14083}}^1$

素因数の和:14140

約数の個数: 48

約数和(自身を含む): 198753408

約数和(自身を除く): 117916988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 14083, 28166, 56332, 70415, 98581, 140830, 197162, 281660, 394324, 492905, 577403, 985810, 1154806, 1971620, 2309612, 2887015, 4041821, 5774030, 8083642, 11548060, 16167284, 20209105, 40418210, 80836420]

約数ペア:

[(1, 80836420), (2, 40418210), (4, 20209105), (5, 16167284), (7, 11548060), (10, 8083642), (14, 5774030), (20, 4041821), (28, 2887015), (35, 2309612), (41, 1971620), (70, 1154806), (82, 985810), (140, 577403), (164, 492905), (205, 394324), (287, 281660), (410, 197162), (574, 140830), (820, 98581), (1148, 70415), (1435, 56332), (2870, 28166), (5740, 14083)]