49777520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2130

約数の個数: 80

約数和(自身を含む): 130116672

約数和(自身を除く): 80339152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2081, 2392, 2990, 4162, 4784, 5980, 8324, 10405, 11960, 16648, 20810, 23920, 27053, 33296, 41620, 47863, 54106, 83240, 95726, 108212, 135265, 166480, 191452, 216424, 239315, 270530, 382904, 432848, 478630, 541060, 622219, 765808, 957260, 1082120, 1244438, 1914520, 2164240, 2488876, 3111095, 3829040, 4977752, 6222190, 9955504, 12444380, 24888760, 49777520]

約数ペア:

[(1, 49777520), (2, 24888760), (4, 12444380), (5, 9955504), (8, 6222190), (10, 4977752), (13, 3829040), (16, 3111095), (20, 2488876), (23, 2164240), (26, 1914520), (40, 1244438), (46, 1082120), (52, 957260), (65, 765808), (80, 622219), (92, 541060), (104, 478630), (115, 432848), (130, 382904), (184, 270530), (208, 239315), (230, 216424), (260, 191452), (299, 166480), (368, 135265), (460, 108212), (520, 95726), (598, 83240), (920, 54106), (1040, 47863), (1196, 41620), (1495, 33296), (1840, 27053), (2081, 23920), (2392, 20810), (2990, 16648), (4162, 11960), (4784, 10405), (5980, 8324)]