2017322480

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{39217}}^1$

素因数の和:39873

約数の個数: 40

約数和(自身を含む): 4697688912

約数和(自身を除く): 2680366432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 5144, 6430, 10288, 12860, 25720, 39217, 51440, 78434, 156868, 196085, 313736, 392170, 627472, 784340, 1568680, 3137360, 25216531, 50433062, 100866124, 126082655, 201732248, 252165310, 403464496, 504330620, 1008661240, 2017322480]

約数ペア:

[(1, 2017322480), (2, 1008661240), (4, 504330620), (5, 403464496), (8, 252165310), (10, 201732248), (16, 126082655), (20, 100866124), (40, 50433062), (80, 25216531), (643, 3137360), (1286, 1568680), (2572, 784340), (3215, 627472), (5144, 392170), (6430, 313736), (10288, 196085), (12860, 156868), (25720, 78434), (39217, 51440)]