51393200

素因数分解:

$2^4\times 5^2\times {\mathrm{128483}}^1$

素因数の和:128501

約数の個数: 30

約数和(自身を含む): 123473124

約数和(自身を除く): 72079924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128483, 256966, 513932, 642415, 1027864, 1284830, 2055728, 2569660, 3212075, 5139320, 6424150, 10278640, 12848300, 25696600, 51393200]

約数ペア:

[(1, 51393200), (2, 25696600), (4, 12848300), (5, 10278640), (8, 6424150), (10, 5139320), (16, 3212075), (20, 2569660), (25, 2055728), (40, 1284830), (50, 1027864), (80, 642415), (100, 513932), (200, 256966), (400, 128483)]