25112840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21649}}^1$

素因数の和:21689

約数の個数: 32

約数和(自身を含む): 58455000

約数和(自身を除く): 33342160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 21649, 43298, 86596, 108245, 173192, 216490, 432980, 627821, 865960, 1255642, 2511284, 3139105, 5022568, 6278210, 12556420, 25112840]

約数ペア:

[(1, 25112840), (2, 12556420), (4, 6278210), (5, 5022568), (8, 3139105), (10, 2511284), (20, 1255642), (29, 865960), (40, 627821), (58, 432980), (116, 216490), (145, 173192), (232, 108245), (290, 86596), (580, 43298), (1160, 21649)]