201361280

素因数分解:

$2^7\times 5^1\times {\mathrm{314627}}^1$

素因数の和:314646

約数の個数: 32

約数和(自身を含む): 481380840

約数和(自身を除く): 280019560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314627, 629254, 1258508, 1573135, 2517016, 3146270, 5034032, 6292540, 10068064, 12585080, 20136128, 25170160, 40272256, 50340320, 100680640, 201361280]

約数ペア:

[(1, 201361280), (2, 100680640), (4, 50340320), (5, 40272256), (8, 25170160), (10, 20136128), (16, 12585080), (20, 10068064), (32, 6292540), (40, 5034032), (64, 3146270), (80, 2517016), (128, 1573135), (160, 1258508), (320, 629254), (640, 314627)]