129275840

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3181}}^1$

素因数の和:3325

約数の個数: 56

約数和(自身を含む): 310359552

約数和(自身を除く): 181083712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 3181, 4064, 5080, 6362, 8128, 10160, 12724, 15905, 20320, 25448, 31810, 40640, 50896, 63620, 101792, 127240, 203584, 254480, 403987, 508960, 807974, 1017920, 1615948, 2019935, 3231896, 4039870, 6463792, 8079740, 12927584, 16159480, 25855168, 32318960, 64637920, 129275840]

約数ペア:

[(1, 129275840), (2, 64637920), (4, 32318960), (5, 25855168), (8, 16159480), (10, 12927584), (16, 8079740), (20, 6463792), (32, 4039870), (40, 3231896), (64, 2019935), (80, 1615948), (127, 1017920), (160, 807974), (254, 508960), (320, 403987), (508, 254480), (635, 203584), (1016, 127240), (1270, 101792), (2032, 63620), (2540, 50896), (3181, 40640), (4064, 31810), (5080, 25448), (6362, 20320), (8128, 15905), (10160, 12724)]