85729640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 205934400

約数和(自身を除く): 120204760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 907, 1112, 1390, 1814, 2363, 2780, 3628, 4535, 4726, 5560, 7256, 9070, 9452, 11815, 15419, 18140, 18904, 23630, 30838, 36280, 47260, 61676, 77095, 94520, 123352, 126073, 154190, 252146, 308380, 504292, 616760, 630365, 1008584, 1260730, 2143241, 2521460, 4286482, 5042920, 8572964, 10716205, 17145928, 21432410, 42864820, 85729640]

約数ペア:

[(1, 85729640), (2, 42864820), (4, 21432410), (5, 17145928), (8, 10716205), (10, 8572964), (17, 5042920), (20, 4286482), (34, 2521460), (40, 2143241), (68, 1260730), (85, 1008584), (136, 630365), (139, 616760), (170, 504292), (278, 308380), (340, 252146), (556, 154190), (680, 126073), (695, 123352), (907, 94520), (1112, 77095), (1390, 61676), (1814, 47260), (2363, 36280), (2780, 30838), (3628, 23630), (4535, 18904), (4726, 18140), (5560, 15419), (7256, 11815), (9070, 9452)]