39988640

素因数分解:

$2^5\times 5^1\times {\mathrm{293}}^1\times {\mathrm{853}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 94906728

約数和(自身を除く): 54918088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 293, 586, 853, 1172, 1465, 1706, 2344, 2930, 3412, 4265, 4688, 5860, 6824, 8530, 9376, 11720, 13648, 17060, 23440, 27296, 34120, 46880, 68240, 136480, 249929, 499858, 999716, 1249645, 1999432, 2499290, 3998864, 4998580, 7997728, 9997160, 19994320, 39988640]

約数ペア:

[(1, 39988640), (2, 19994320), (4, 9997160), (5, 7997728), (8, 4998580), (10, 3998864), (16, 2499290), (20, 1999432), (32, 1249645), (40, 999716), (80, 499858), (160, 249929), (293, 136480), (586, 68240), (853, 46880), (1172, 34120), (1465, 27296), (1706, 23440), (2344, 17060), (2930, 13648), (3412, 11720), (4265, 9376), (4688, 8530), (5860, 6824)]