87128690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19319}}^1$

素因数の和:19378

約数の個数: 32

約数和(自身を含む): 175271040

約数和(自身を除く): 88142350

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 19319, 38638, 96595, 193190, 212509, 425018, 792079, 1062545, 1584158, 2125090, 3960395, 7920790, 8712869, 17425738, 43564345, 87128690]

約数ペア:

[(1, 87128690), (2, 43564345), (5, 17425738), (10, 8712869), (11, 7920790), (22, 3960395), (41, 2125090), (55, 1584158), (82, 1062545), (110, 792079), (205, 425018), (410, 212509), (451, 193190), (902, 96595), (2255, 38638), (4510, 19319)]