27864880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4409}}^1$

素因数の和:4501

約数の個数: 40

約数和(自身を含む): 65620800

約数和(自身を除く): 37755920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4409, 6320, 8818, 17636, 22045, 35272, 44090, 70544, 88180, 176360, 348311, 352720, 696622, 1393244, 1741555, 2786488, 3483110, 5572976, 6966220, 13932440, 27864880]

約数ペア:

[(1, 27864880), (2, 13932440), (4, 6966220), (5, 5572976), (8, 3483110), (10, 2786488), (16, 1741555), (20, 1393244), (40, 696622), (79, 352720), (80, 348311), (158, 176360), (316, 88180), (395, 70544), (632, 44090), (790, 35272), (1264, 22045), (1580, 17636), (3160, 8818), (4409, 6320)]