55109920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20261}}^1$

素因数の和:20293

約数の個数: 48

約数和(自身を含む): 137862648

約数和(自身を除く): 82752728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20261, 40522, 81044, 101305, 162088, 202610, 324176, 344437, 405220, 648352, 688874, 810440, 1377748, 1620880, 1722185, 2755496, 3241760, 3444370, 5510992, 6888740, 11021984, 13777480, 27554960, 55109920]

約数ペア:

[(1, 55109920), (2, 27554960), (4, 13777480), (5, 11021984), (8, 6888740), (10, 5510992), (16, 3444370), (17, 3241760), (20, 2755496), (32, 1722185), (34, 1620880), (40, 1377748), (68, 810440), (80, 688874), (85, 648352), (136, 405220), (160, 344437), (170, 324176), (272, 202610), (340, 162088), (544, 101305), (680, 81044), (1360, 40522), (2720, 20261)]