40340872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 89812800

約数和(自身を除く): 49471928

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 179, 197, 286, 358, 394, 572, 716, 788, 1144, 1432, 1576, 1969, 2167, 2327, 2561, 3938, 4334, 4654, 5122, 7876, 8668, 9308, 10244, 15752, 17336, 18616, 20488, 25597, 28171, 35263, 51194, 56342, 70526, 102388, 112684, 141052, 204776, 225368, 282104, 387893, 458419, 775786, 916838, 1551572, 1833676, 3103144, 3667352, 5042609, 10085218, 20170436, 40340872]

約数ペア:

[(1, 40340872), (2, 20170436), (4, 10085218), (8, 5042609), (11, 3667352), (13, 3103144), (22, 1833676), (26, 1551572), (44, 916838), (52, 775786), (88, 458419), (104, 387893), (143, 282104), (179, 225368), (197, 204776), (286, 141052), (358, 112684), (394, 102388), (572, 70526), (716, 56342), (788, 51194), (1144, 35263), (1432, 28171), (1576, 25597), (1969, 20488), (2167, 18616), (2327, 17336), (2561, 15752), (3938, 10244), (4334, 9308), (4654, 8668), (5122, 7876)]