40847740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 47211140

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 206, 251, 316, 395, 412, 502, 515, 790, 1004, 1030, 1255, 1580, 2060, 2510, 5020, 8137, 16274, 19829, 25853, 32548, 39658, 40685, 51706, 79316, 81370, 99145, 103412, 129265, 162740, 198290, 258530, 396580, 517060, 2042387, 4084774, 8169548, 10211935, 20423870, 40847740]

約数ペア:

[(1, 40847740), (2, 20423870), (4, 10211935), (5, 8169548), (10, 4084774), (20, 2042387), (79, 517060), (103, 396580), (158, 258530), (206, 198290), (251, 162740), (316, 129265), (395, 103412), (412, 99145), (502, 81370), (515, 79316), (790, 51706), (1004, 40685), (1030, 39658), (1255, 32548), (1580, 25853), (2060, 19829), (2510, 16274), (5020, 8137)]