13876840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 34049970

約数和(自身を除く): 20173130

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 361, 380, 589, 620, 722, 760, 961, 1178, 1240, 1444, 1805, 1922, 2356, 2888, 2945, 3610, 3844, 4712, 4805, 5890, 7220, 7688, 9610, 11191, 11780, 14440, 18259, 19220, 22382, 23560, 36518, 38440, 44764, 55955, 73036, 89528, 91295, 111910, 146072, 182590, 223820, 346921, 365180, 447640, 693842, 730360, 1387684, 1734605, 2775368, 3469210, 6938420, 13876840]

約数ペア:

[(1, 13876840), (2, 6938420), (4, 3469210), (5, 2775368), (8, 1734605), (10, 1387684), (19, 730360), (20, 693842), (31, 447640), (38, 365180), (40, 346921), (62, 223820), (76, 182590), (95, 146072), (124, 111910), (152, 91295), (155, 89528), (190, 73036), (248, 55955), (310, 44764), (361, 38440), (380, 36518), (589, 23560), (620, 22382), (722, 19220), (760, 18259), (961, 14440), (1178, 11780), (1240, 11191), (1444, 9610), (1805, 7688), (1922, 7220), (2356, 5890), (2888, 4805), (2945, 4712), (3610, 3844)]