26087480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15907}}^1$

素因数の和:15959

約数の個数: 32

約数和(自身を含む): 60132240

約数和(自身を除く): 34044760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15907, 31814, 63628, 79535, 127256, 159070, 318140, 636280, 652187, 1304374, 2608748, 3260935, 5217496, 6521870, 13043740, 26087480]

約数ペア:

[(1, 26087480), (2, 13043740), (4, 6521870), (5, 5217496), (8, 3260935), (10, 2608748), (20, 1304374), (40, 652187), (41, 636280), (82, 318140), (164, 159070), (205, 127256), (328, 79535), (410, 63628), (820, 31814), (1640, 15907)]