1961569240

素因数分解:

$2^3\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{17891}}^1$

素因数の和:20643

約数の個数: 32

約数和(自身を含む): 4415387760

約数和(自身を除く): 2453818520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2741, 5482, 10964, 13705, 17891, 21928, 27410, 35782, 54820, 71564, 89455, 109640, 143128, 178910, 357820, 715640, 49039231, 98078462, 196156924, 245196155, 392313848, 490392310, 980784620, 1961569240]

約数ペア:

[(1, 1961569240), (2, 980784620), (4, 490392310), (5, 392313848), (8, 245196155), (10, 196156924), (20, 98078462), (40, 49039231), (2741, 715640), (5482, 357820), (10964, 178910), (13705, 143128), (17891, 109640), (21928, 89455), (27410, 71564), (35782, 54820)]