49889720

素因数分解:

$2^3\times 5^1\times {\mathrm{1247243}}^1$

素因数の和:1247254

約数の個数: 16

約数和(自身を含む): 112251960

約数和(自身を除く): 62362240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1247243, 2494486, 4988972, 6236215, 9977944, 12472430, 24944860, 49889720]

約数ペア:

[(1, 49889720), (2, 24944860), (4, 12472430), (5, 9977944), (8, 6236215), (10, 4988972), (20, 2494486), (40, 1247243)]