71325476780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50229209}}^1$

素因数の和:50229289

約数の個数: 24

約数和(自身を含む): 151893131040

約数和(自身を除く): 80567654260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 50229209, 100458418, 200916836, 251146045, 502292090, 1004584180, 3566273839, 7132547678, 14265095356, 17831369195, 35662738390, 71325476780]

約数ペア:

[(1, 71325476780), (2, 35662738390), (4, 17831369195), (5, 14265095356), (10, 7132547678), (20, 3566273839), (71, 1004584180), (142, 502292090), (284, 251146045), (355, 200916836), (710, 100458418), (1420, 50229209)]