201213080

素因数分解:

$2^3\times 5^1\times {\mathrm{5030327}}^1$

素因数の和:5030338

約数の個数: 16

約数和(自身を含む): 452729520

約数和(自身を除く): 251516440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5030327, 10060654, 20121308, 25151635, 40242616, 50303270, 100606540, 201213080]

約数ペア:

[(1, 201213080), (2, 100606540), (4, 50303270), (5, 40242616), (8, 25151635), (10, 20121308), (20, 10060654), (40, 5030327)]