51611120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 131991552

約数和(自身を除く): 80380432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 263, 440, 446, 526, 880, 892, 1052, 1115, 1315, 1784, 2104, 2230, 2453, 2630, 2893, 3568, 4208, 4460, 4906, 5260, 5786, 8920, 9812, 10520, 11572, 12265, 14465, 17840, 19624, 21040, 23144, 24530, 28930, 39248, 46288, 49060, 57860, 58649, 98120, 115720, 117298, 196240, 231440, 234596, 293245, 469192, 586490, 645139, 938384, 1172980, 1290278, 2345960, 2580556, 3225695, 4691920, 5161112, 6451390, 10322224, 12902780, 25805560, 51611120]

約数ペア:

[(1, 51611120), (2, 25805560), (4, 12902780), (5, 10322224), (8, 6451390), (10, 5161112), (11, 4691920), (16, 3225695), (20, 2580556), (22, 2345960), (40, 1290278), (44, 1172980), (55, 938384), (80, 645139), (88, 586490), (110, 469192), (176, 293245), (220, 234596), (223, 231440), (263, 196240), (440, 117298), (446, 115720), (526, 98120), (880, 58649), (892, 57860), (1052, 49060), (1115, 46288), (1315, 39248), (1784, 28930), (2104, 24530), (2230, 23144), (2453, 21040), (2630, 19624), (2893, 17840), (3568, 14465), (4208, 12265), (4460, 11572), (4906, 10520), (5260, 9812), (5786, 8920)]