172916840

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{11287}}^1$

素因数の和:11681

約数の個数: 32

約数和(自身を含む): 390113280

約数和(自身を除く): 217196440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 11287, 15320, 22574, 45148, 56435, 90296, 112870, 225740, 451480, 4322921, 8645842, 17291684, 21614605, 34583368, 43229210, 86458420, 172916840]

約数ペア:

[(1, 172916840), (2, 86458420), (4, 43229210), (5, 34583368), (8, 21614605), (10, 17291684), (20, 8645842), (40, 4322921), (383, 451480), (766, 225740), (1532, 112870), (1915, 90296), (3064, 56435), (3830, 45148), (7660, 22574), (11287, 15320)]