1955147720

素因数分解:

$2^3\times 5^1\times {\mathrm{48878693}}^1$

素因数の和:48878704

約数の個数: 16

約数和(自身を含む): 4399082460

約数和(自身を除く): 2443934740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 48878693, 97757386, 195514772, 244393465, 391029544, 488786930, 977573860, 1955147720]

約数ペア:

[(1, 1955147720), (2, 977573860), (4, 488786930), (5, 391029544), (8, 244393465), (10, 195514772), (20, 97757386), (40, 48878693)]