51661280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 134719200

約数和(自身を除く): 83057920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 149, 160, 176, 197, 220, 298, 352, 394, 440, 596, 745, 788, 880, 985, 1192, 1490, 1576, 1639, 1760, 1970, 2167, 2384, 2980, 3152, 3278, 3940, 4334, 4768, 5960, 6304, 6556, 7880, 8195, 8668, 10835, 11920, 13112, 15760, 16390, 17336, 21670, 23840, 26224, 29353, 31520, 32780, 34672, 43340, 52448, 58706, 65560, 69344, 86680, 117412, 131120, 146765, 173360, 234824, 262240, 293530, 322883, 346720, 469648, 587060, 645766, 939296, 1174120, 1291532, 1614415, 2348240, 2583064, 3228830, 4696480, 5166128, 6457660, 10332256, 12915320, 25830640, 51661280]

約数ペア:

[(1, 51661280), (2, 25830640), (4, 12915320), (5, 10332256), (8, 6457660), (10, 5166128), (11, 4696480), (16, 3228830), (20, 2583064), (22, 2348240), (32, 1614415), (40, 1291532), (44, 1174120), (55, 939296), (80, 645766), (88, 587060), (110, 469648), (149, 346720), (160, 322883), (176, 293530), (197, 262240), (220, 234824), (298, 173360), (352, 146765), (394, 131120), (440, 117412), (596, 86680), (745, 69344), (788, 65560), (880, 58706), (985, 52448), (1192, 43340), (1490, 34672), (1576, 32780), (1639, 31520), (1760, 29353), (1970, 26224), (2167, 23840), (2384, 21670), (2980, 17336), (3152, 16390), (3278, 15760), (3940, 13112), (4334, 11920), (4768, 10835), (5960, 8668), (6304, 8195), (6556, 7880)]