25922660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 56497392

約数和(自身を除く): 30574732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 313, 404, 410, 505, 626, 820, 1010, 1252, 1565, 2020, 3130, 4141, 6260, 8282, 12833, 16564, 20705, 25666, 31613, 41410, 51332, 63226, 64165, 82820, 126452, 128330, 158065, 256660, 316130, 632260, 1296133, 2592266, 5184532, 6480665, 12961330, 25922660]

約数ペア:

[(1, 25922660), (2, 12961330), (4, 6480665), (5, 5184532), (10, 2592266), (20, 1296133), (41, 632260), (82, 316130), (101, 256660), (164, 158065), (202, 128330), (205, 126452), (313, 82820), (404, 64165), (410, 63226), (505, 51332), (626, 41410), (820, 31613), (1010, 25666), (1252, 20705), (1565, 16564), (2020, 12833), (3130, 8282), (4141, 6260)]