165661640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{7829}}^1$

素因数の和:7886

約数の個数: 48

約数和(自身を含む): 389699100

約数和(自身を除く): 224037460

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 2116, 2645, 4232, 5290, 7829, 10580, 15658, 21160, 31316, 39145, 62632, 78290, 156580, 180067, 313160, 360134, 720268, 900335, 1440536, 1800670, 3601340, 4141541, 7202680, 8283082, 16566164, 20707705, 33132328, 41415410, 82830820, 165661640]

約数ペア:

[(1, 165661640), (2, 82830820), (4, 41415410), (5, 33132328), (8, 20707705), (10, 16566164), (20, 8283082), (23, 7202680), (40, 4141541), (46, 3601340), (92, 1800670), (115, 1440536), (184, 900335), (230, 720268), (460, 360134), (529, 313160), (920, 180067), (1058, 156580), (2116, 78290), (2645, 62632), (4232, 39145), (5290, 31316), (7829, 21160), (10580, 15658)]