2019936640

素因数分解:

$2^7\times 5^1\times {\mathrm{3156151}}^1$

素因数の和:3156170

約数の個数: 32

約数和(自身を含む): 4828912560

約数和(自身を除く): 2808975920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3156151, 6312302, 12624604, 15780755, 25249208, 31561510, 50498416, 63123020, 100996832, 126246040, 201993664, 252492080, 403987328, 504984160, 1009968320, 2019936640]

約数ペア:

[(1, 2019936640), (2, 1009968320), (4, 504984160), (5, 403987328), (8, 252492080), (10, 201993664), (16, 126246040), (20, 100996832), (32, 63123020), (40, 50498416), (64, 31561510), (80, 25249208), (128, 15780755), (160, 12624604), (320, 6312302), (640, 3156151)]