3980840890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30621853}}^1$

素因数の和:30621873

約数の個数: 16

約数和(自身を含む): 7716707208

約数和(自身を除く): 3735866318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 30621853, 61243706, 153109265, 306218530, 398084089, 796168178, 1990420445, 3980840890]

約数ペア:

[(1, 3980840890), (2, 1990420445), (5, 796168178), (10, 398084089), (13, 306218530), (26, 153109265), (65, 61243706), (130, 30621853)]