39863480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 93139200

約数和(自身を除く): 53275720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 109, 164, 205, 218, 223, 328, 410, 436, 446, 545, 820, 872, 892, 1090, 1115, 1640, 1784, 2180, 2230, 4360, 4460, 4469, 8920, 8938, 9143, 17876, 18286, 22345, 24307, 35752, 36572, 44690, 45715, 48614, 73144, 89380, 91430, 97228, 121535, 178760, 182860, 194456, 243070, 365720, 486140, 972280, 996587, 1993174, 3986348, 4982935, 7972696, 9965870, 19931740, 39863480]

約数ペア:

[(1, 39863480), (2, 19931740), (4, 9965870), (5, 7972696), (8, 4982935), (10, 3986348), (20, 1993174), (40, 996587), (41, 972280), (82, 486140), (109, 365720), (164, 243070), (205, 194456), (218, 182860), (223, 178760), (328, 121535), (410, 97228), (436, 91430), (446, 89380), (545, 73144), (820, 48614), (872, 45715), (892, 44690), (1090, 36572), (1115, 35752), (1640, 24307), (1784, 22345), (2180, 18286), (2230, 17876), (4360, 9143), (4460, 8938), (4469, 8920)]