86947420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32687}}^1$

素因数の和:32722

約数の個数: 48

約数和(自身を含む): 219663360

約数和(自身を除く): 132715940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 32687, 65374, 130748, 163435, 228809, 326870, 457618, 621053, 653740, 915236, 1144045, 1242106, 2288090, 2484212, 3105265, 4347371, 4576180, 6210530, 8694742, 12421060, 17389484, 21736855, 43473710, 86947420]

約数ペア:

[(1, 86947420), (2, 43473710), (4, 21736855), (5, 17389484), (7, 12421060), (10, 8694742), (14, 6210530), (19, 4576180), (20, 4347371), (28, 3105265), (35, 2484212), (38, 2288090), (70, 1242106), (76, 1144045), (95, 915236), (133, 653740), (140, 621053), (190, 457618), (266, 326870), (380, 228809), (532, 163435), (665, 130748), (1330, 65374), (2660, 32687)]