847857580

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{26479}}^1$

素因数の和:28089

約数の個数: 24

約数和(自身を含む): 1781680320

約数和(自身を除く): 933822740

約数列:

[1, 2, 4, 5, 10, 20, 1601, 3202, 6404, 8005, 16010, 26479, 32020, 52958, 105916, 132395, 264790, 529580, 42392879, 84785758, 169571516, 211964395, 423928790, 847857580]

約数ペア:

[(1, 847857580), (2, 423928790), (4, 211964395), (5, 169571516), (10, 84785758), (20, 42392879), (1601, 529580), (3202, 264790), (6404, 132395), (8005, 105916), (16010, 52958), (26479, 32020)]