16397930420

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{509569}}^1$

素因数の和:511187

約数の個数: 24

約数和(自身を含む): 34457123400

約数和(自身を除く): 18059192980

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6436, 8045, 16090, 32180, 509569, 1019138, 2038276, 2547845, 5095690, 10191380, 819896521, 1639793042, 3279586084, 4099482605, 8198965210, 16397930420]

約数ペア:

[(1, 16397930420), (2, 8198965210), (4, 4099482605), (5, 3279586084), (10, 1639793042), (20, 819896521), (1609, 10191380), (3218, 5095690), (6436, 2547845), (8045, 2038276), (16090, 1019138), (32180, 509569)]