12730700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2162

約数の個数: 36

約数和(自身を含む): 28091952

約数和(自身を除く): 15361252

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2087, 3050, 4174, 6100, 8348, 10435, 20870, 41740, 52175, 104350, 127307, 208700, 254614, 509228, 636535, 1273070, 2546140, 3182675, 6365350, 12730700]

約数ペア:

[(1, 12730700), (2, 6365350), (4, 3182675), (5, 2546140), (10, 1273070), (20, 636535), (25, 509228), (50, 254614), (61, 208700), (100, 127307), (122, 104350), (244, 52175), (305, 41740), (610, 20870), (1220, 10435), (1525, 8348), (2087, 6100), (3050, 4174)]