82777280

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1861}}^1$

素因数の和:2017

約数の個数: 56

約数和(自身を含む): 198638160

約数和(自身を除く): 115860880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1861, 2224, 2780, 3722, 4448, 5560, 7444, 8896, 9305, 11120, 14888, 18610, 22240, 29776, 37220, 44480, 59552, 74440, 119104, 148880, 258679, 297760, 517358, 595520, 1034716, 1293395, 2069432, 2586790, 4138864, 5173580, 8277728, 10347160, 16555456, 20694320, 41388640, 82777280]

約数ペア:

[(1, 82777280), (2, 41388640), (4, 20694320), (5, 16555456), (8, 10347160), (10, 8277728), (16, 5173580), (20, 4138864), (32, 2586790), (40, 2069432), (64, 1293395), (80, 1034716), (139, 595520), (160, 517358), (278, 297760), (320, 258679), (556, 148880), (695, 119104), (1112, 74440), (1390, 59552), (1861, 44480), (2224, 37220), (2780, 29776), (3722, 22240), (4448, 18610), (5560, 14888), (7444, 11120), (8896, 9305)]