71350840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5231}}^1$

素因数の和:5284

約数の個数: 64

約数和(自身を含む): 180817920

約数和(自身を除く): 109467080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5231, 6820, 10462, 13640, 20924, 26155, 41848, 52310, 57541, 104620, 115082, 162161, 209240, 230164, 287705, 324322, 460328, 575410, 648644, 810805, 1150820, 1297288, 1621610, 1783771, 2301640, 3243220, 3567542, 6486440, 7135084, 8918855, 14270168, 17837710, 35675420, 71350840]

約数ペア:

[(1, 71350840), (2, 35675420), (4, 17837710), (5, 14270168), (8, 8918855), (10, 7135084), (11, 6486440), (20, 3567542), (22, 3243220), (31, 2301640), (40, 1783771), (44, 1621610), (55, 1297288), (62, 1150820), (88, 810805), (110, 648644), (124, 575410), (155, 460328), (220, 324322), (248, 287705), (310, 230164), (341, 209240), (440, 162161), (620, 115082), (682, 104620), (1240, 57541), (1364, 52310), (1705, 41848), (2728, 26155), (3410, 20924), (5231, 13640), (6820, 10462)]