51477200

素因数分解:

$2^4\times 5^2\times {\mathrm{128693}}^1$

素因数の和:128711

約数の個数: 30

約数和(自身を含む): 123674934

約数和(自身を除く): 72197734

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128693, 257386, 514772, 643465, 1029544, 1286930, 2059088, 2573860, 3217325, 5147720, 6434650, 10295440, 12869300, 25738600, 51477200]

約数ペア:

[(1, 51477200), (2, 25738600), (4, 12869300), (5, 10295440), (8, 6434650), (10, 5147720), (16, 3217325), (20, 2573860), (25, 2059088), (40, 1286930), (50, 1029544), (80, 643465), (100, 514772), (200, 257386), (400, 128693)]