51115240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 129276000

約数和(自身を除く): 78160760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 121, 179, 220, 236, 242, 295, 358, 440, 472, 484, 590, 605, 649, 716, 895, 968, 1180, 1210, 1298, 1432, 1790, 1969, 2360, 2420, 2596, 3245, 3580, 3938, 4840, 5192, 6490, 7139, 7160, 7876, 9845, 10561, 12980, 14278, 15752, 19690, 21122, 21659, 25960, 28556, 35695, 39380, 42244, 43318, 52805, 57112, 71390, 78760, 84488, 86636, 105610, 108295, 116171, 142780, 173272, 211220, 216590, 232342, 285560, 422440, 433180, 464684, 580855, 866360, 929368, 1161710, 1277881, 2323420, 2555762, 4646840, 5111524, 6389405, 10223048, 12778810, 25557620, 51115240]

約数ペア:

[(1, 51115240), (2, 25557620), (4, 12778810), (5, 10223048), (8, 6389405), (10, 5111524), (11, 4646840), (20, 2555762), (22, 2323420), (40, 1277881), (44, 1161710), (55, 929368), (59, 866360), (88, 580855), (110, 464684), (118, 433180), (121, 422440), (179, 285560), (220, 232342), (236, 216590), (242, 211220), (295, 173272), (358, 142780), (440, 116171), (472, 108295), (484, 105610), (590, 86636), (605, 84488), (649, 78760), (716, 71390), (895, 57112), (968, 52805), (1180, 43318), (1210, 42244), (1298, 39380), (1432, 35695), (1790, 28556), (1969, 25960), (2360, 21659), (2420, 21122), (2596, 19690), (3245, 15752), (3580, 14278), (3938, 12980), (4840, 10561), (5192, 9845), (6490, 7876), (7139, 7160)]