5381811.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{1437991}}^1$

素因数の和:1438002

約数の個数: 16

約数和(自身を含む): 129419280

約数和(自身を除く): 71899640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1437991, 2875982, 5751964, 7189955, 11503928, 14379910, 28759820, 57519640]

約数ペア:

[(1, 57519640), (2, 28759820), (4, 14379910), (5, 11503928), (8, 7189955), (10, 5751964), (20, 2875982), (40, 1437991)]