56915980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 136074960

約数和(自身を除く): 79158980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 811, 1210, 1276, 1595, 1622, 2420, 3190, 3244, 3509, 4055, 6380, 7018, 8110, 8921, 14036, 16220, 17545, 17842, 23519, 35090, 35684, 44605, 47038, 70180, 89210, 94076, 98131, 117595, 178420, 196262, 235190, 258709, 392524, 470380, 490655, 517418, 981310, 1034836, 1293545, 1962620, 2587090, 2845799, 5174180, 5691598, 11383196, 14228995, 28457990, 56915980]

約数ペア:

[(1, 56915980), (2, 28457990), (4, 14228995), (5, 11383196), (10, 5691598), (11, 5174180), (20, 2845799), (22, 2587090), (29, 1962620), (44, 1293545), (55, 1034836), (58, 981310), (110, 517418), (116, 490655), (121, 470380), (145, 392524), (220, 258709), (242, 235190), (290, 196262), (319, 178420), (484, 117595), (580, 98131), (605, 94076), (638, 89210), (811, 70180), (1210, 47038), (1276, 44605), (1595, 35684), (1622, 35090), (2420, 23519), (3190, 17842), (3244, 17545), (3509, 16220), (4055, 14036), (6380, 8921), (7018, 8110)]