51845320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 121065840

約数和(自身を除く): 69220520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 313, 328, 404, 410, 505, 626, 808, 820, 1010, 1252, 1565, 1640, 2020, 2504, 3130, 4040, 4141, 6260, 8282, 12520, 12833, 16564, 20705, 25666, 31613, 33128, 41410, 51332, 63226, 64165, 82820, 102664, 126452, 128330, 158065, 165640, 252904, 256660, 316130, 513320, 632260, 1264520, 1296133, 2592266, 5184532, 6480665, 10369064, 12961330, 25922660, 51845320]

約数ペア:

[(1, 51845320), (2, 25922660), (4, 12961330), (5, 10369064), (8, 6480665), (10, 5184532), (20, 2592266), (40, 1296133), (41, 1264520), (82, 632260), (101, 513320), (164, 316130), (202, 256660), (205, 252904), (313, 165640), (328, 158065), (404, 128330), (410, 126452), (505, 102664), (626, 82820), (808, 64165), (820, 63226), (1010, 51332), (1252, 41410), (1565, 33128), (1640, 31613), (2020, 25666), (2504, 20705), (3130, 16564), (4040, 12833), (4141, 12520), (6260, 8282)]