51543580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 127695960

約数和(自身を除く): 76152380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 59, 76, 95, 110, 118, 121, 190, 209, 220, 236, 242, 295, 361, 380, 418, 484, 590, 605, 649, 722, 836, 1045, 1121, 1180, 1210, 1298, 1444, 1805, 2090, 2242, 2299, 2420, 2596, 3245, 3610, 3971, 4180, 4484, 4598, 5605, 6490, 7139, 7220, 7942, 9196, 11210, 11495, 12331, 12980, 14278, 15884, 19855, 21299, 22420, 22990, 24662, 28556, 35695, 39710, 42598, 43681, 45980, 49324, 61655, 71390, 79420, 85196, 87362, 106495, 123310, 135641, 142780, 174724, 212990, 218405, 234289, 246620, 271282, 425980, 436810, 468578, 542564, 678205, 873620, 937156, 1171445, 1356410, 2342890, 2577179, 2712820, 4685780, 5154358, 10308716, 12885895, 25771790, 51543580]

約数ペア:

[(1, 51543580), (2, 25771790), (4, 12885895), (5, 10308716), (10, 5154358), (11, 4685780), (19, 2712820), (20, 2577179), (22, 2342890), (38, 1356410), (44, 1171445), (55, 937156), (59, 873620), (76, 678205), (95, 542564), (110, 468578), (118, 436810), (121, 425980), (190, 271282), (209, 246620), (220, 234289), (236, 218405), (242, 212990), (295, 174724), (361, 142780), (380, 135641), (418, 123310), (484, 106495), (590, 87362), (605, 85196), (649, 79420), (722, 71390), (836, 61655), (1045, 49324), (1121, 45980), (1180, 43681), (1210, 42598), (1298, 39710), (1444, 35695), (1805, 28556), (2090, 24662), (2242, 22990), (2299, 22420), (2420, 21299), (2596, 19855), (3245, 15884), (3610, 14278), (3971, 12980), (4180, 12331), (4484, 11495), (4598, 11210), (5605, 9196), (6490, 7942), (7139, 7220)]