2866280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 6510240

約数和(自身を除く): 3643960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 547, 655, 1048, 1094, 1310, 2188, 2620, 2735, 4376, 5240, 5470, 10940, 21880, 71657, 143314, 286628, 358285, 573256, 716570, 1433140, 2866280]

約数ペア:

[(1, 2866280), (2, 1433140), (4, 716570), (5, 573256), (8, 358285), (10, 286628), (20, 143314), (40, 71657), (131, 21880), (262, 10940), (524, 5470), (547, 5240), (655, 4376), (1048, 2735), (1094, 2620), (1310, 2188)]