84288640

素因数分解:

$2^7\times 5^1\times {\mathrm{131701}}^1$

素因数の和:131720

約数の個数: 32

約数和(自身を含む): 201504060

約数和(自身を除く): 117215420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 131701, 263402, 526804, 658505, 1053608, 1317010, 2107216, 2634020, 4214432, 5268040, 8428864, 10536080, 16857728, 21072160, 42144320, 84288640]

約数ペア:

[(1, 84288640), (2, 42144320), (4, 21072160), (5, 16857728), (8, 10536080), (10, 8428864), (16, 5268040), (20, 4214432), (32, 2634020), (40, 2107216), (64, 1317010), (80, 1053608), (128, 658505), (160, 526804), (320, 263402), (640, 131701)]