80165956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 155545600

約数和(自身を除く): 75379644

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 127, 199, 244, 254, 398, 508, 793, 796, 1586, 1651, 2587, 3172, 3302, 5174, 6604, 7747, 10348, 12139, 15494, 24278, 25273, 30988, 48556, 50546, 100711, 101092, 157807, 201422, 315614, 328549, 402844, 631228, 657098, 1314196, 1541653, 3083306, 6166612, 20041489, 40082978, 80165956]

約数ペア:

[(1, 80165956), (2, 40082978), (4, 20041489), (13, 6166612), (26, 3083306), (52, 1541653), (61, 1314196), (122, 657098), (127, 631228), (199, 402844), (244, 328549), (254, 315614), (398, 201422), (508, 157807), (793, 101092), (796, 100711), (1586, 50546), (1651, 48556), (2587, 30988), (3172, 25273), (3302, 24278), (5174, 15494), (6604, 12139), (7747, 10348)]