220172720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{41077}}^1$

素因数の和:41157

約数の個数: 40

約数和(自身を含む): 519554544

約数和(自身を除く): 299381824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 41077, 82154, 164308, 205385, 328616, 410770, 657232, 821540, 1643080, 2752159, 3286160, 5504318, 11008636, 13760795, 22017272, 27521590, 44034544, 55043180, 110086360, 220172720]

約数ペア:

[(1, 220172720), (2, 110086360), (4, 55043180), (5, 44034544), (8, 27521590), (10, 22017272), (16, 13760795), (20, 11008636), (40, 5504318), (67, 3286160), (80, 2752159), (134, 1643080), (268, 821540), (335, 657232), (536, 410770), (670, 328616), (1072, 205385), (1340, 164308), (2680, 82154), (5360, 41077)]