83840980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1879}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 185713920

約数和(自身を除く): 101872940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1879, 1940, 2231, 3758, 4462, 7516, 8924, 9395, 11155, 18790, 22310, 37580, 43217, 44620, 86434, 172868, 182263, 216085, 364526, 432170, 729052, 864340, 911315, 1822630, 3645260, 4192049, 8384098, 16768196, 20960245, 41920490, 83840980]

約数ペア:

[(1, 83840980), (2, 41920490), (4, 20960245), (5, 16768196), (10, 8384098), (20, 4192049), (23, 3645260), (46, 1822630), (92, 911315), (97, 864340), (115, 729052), (194, 432170), (230, 364526), (388, 216085), (460, 182263), (485, 172868), (970, 86434), (1879, 44620), (1940, 43217), (2231, 37580), (3758, 22310), (4462, 18790), (7516, 11155), (8924, 9395)]