65839180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{829}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 159379920

約数和(自身を除く): 93540740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 829, 836, 1045, 1444, 1658, 1805, 2090, 3316, 3610, 3971, 4145, 4180, 7220, 7942, 8290, 9119, 15751, 15884, 16580, 18238, 19855, 31502, 36476, 39710, 45595, 63004, 78755, 79420, 91190, 157510, 173261, 182380, 299269, 315020, 346522, 598538, 693044, 866305, 1197076, 1496345, 1732610, 2992690, 3291959, 3465220, 5985380, 6583918, 13167836, 16459795, 32919590, 65839180]

約数ペア:

[(1, 65839180), (2, 32919590), (4, 16459795), (5, 13167836), (10, 6583918), (11, 5985380), (19, 3465220), (20, 3291959), (22, 2992690), (38, 1732610), (44, 1496345), (55, 1197076), (76, 866305), (95, 693044), (110, 598538), (190, 346522), (209, 315020), (220, 299269), (361, 182380), (380, 173261), (418, 157510), (722, 91190), (829, 79420), (836, 78755), (1045, 63004), (1444, 45595), (1658, 39710), (1805, 36476), (2090, 31502), (3316, 19855), (3610, 18238), (3971, 16580), (4145, 15884), (4180, 15751), (7220, 9119), (7942, 8290)]