86913920

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 209487600

約数和(自身を除く): 122573680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 977, 1112, 1390, 1954, 2224, 2780, 3908, 4448, 4885, 5560, 7816, 8896, 9770, 11120, 15632, 17792, 19540, 22240, 31264, 39080, 44480, 62528, 78160, 88960, 125056, 135803, 156320, 271606, 312640, 543212, 625280, 679015, 1086424, 1358030, 2172848, 2716060, 4345696, 5432120, 8691392, 10864240, 17382784, 21728480, 43456960, 86913920]

約数ペア:

[(1, 86913920), (2, 43456960), (4, 21728480), (5, 17382784), (8, 10864240), (10, 8691392), (16, 5432120), (20, 4345696), (32, 2716060), (40, 2172848), (64, 1358030), (80, 1086424), (128, 679015), (139, 625280), (160, 543212), (278, 312640), (320, 271606), (556, 156320), (640, 135803), (695, 125056), (977, 88960), (1112, 78160), (1390, 62528), (1954, 44480), (2224, 39080), (2780, 31264), (3908, 22240), (4448, 19540), (4885, 17792), (5560, 15632), (7816, 11120), (8896, 9770)]