25419350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 52161840

約数和(自身を除く): 26742490

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 113, 226, 275, 409, 550, 565, 818, 1130, 1243, 2045, 2486, 2825, 4090, 4499, 5650, 6215, 8998, 10225, 12430, 20450, 22495, 31075, 44990, 46217, 62150, 92434, 112475, 224950, 231085, 462170, 508387, 1016774, 1155425, 2310850, 2541935, 5083870, 12709675, 25419350]

約数ペア:

[(1, 25419350), (2, 12709675), (5, 5083870), (10, 2541935), (11, 2310850), (22, 1155425), (25, 1016774), (50, 508387), (55, 462170), (110, 231085), (113, 224950), (226, 112475), (275, 92434), (409, 62150), (550, 46217), (565, 44990), (818, 31075), (1130, 22495), (1243, 20450), (2045, 12430), (2486, 10225), (2825, 8998), (4090, 6215), (4499, 5650)]