87760358180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20995301}}^1$

素因数の和:20995340

約数の個数: 48

約数和(自身を含む): 211632644160

約数和(自身を除く): 123872285980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 20995301, 41990602, 83981204, 104976505, 209953010, 230948311, 398910719, 419906020, 461896622, 797821438, 923793244, 1154741555, 1595642876, 1994553595, 2309483110, 3989107190, 4388017909, 4618966220, 7978214380, 8776035818, 17552071636, 21940089545, 43880179090, 87760358180]

約数ペア:

[(1, 87760358180), (2, 43880179090), (4, 21940089545), (5, 17552071636), (10, 8776035818), (11, 7978214380), (19, 4618966220), (20, 4388017909), (22, 3989107190), (38, 2309483110), (44, 1994553595), (55, 1595642876), (76, 1154741555), (95, 923793244), (110, 797821438), (190, 461896622), (209, 419906020), (220, 398910719), (380, 230948311), (418, 209953010), (836, 104976505), (1045, 83981204), (2090, 41990602), (4180, 20995301)]