55181360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 139845216

約数和(自身を除く): 84663856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 547, 776, 970, 1040, 1094, 1261, 1552, 1940, 2188, 2522, 2735, 3880, 4376, 5044, 5470, 6305, 7111, 7760, 8752, 10088, 10940, 12610, 14222, 20176, 21880, 25220, 28444, 35555, 43760, 50440, 53059, 56888, 71110, 100880, 106118, 113776, 142220, 212236, 265295, 284440, 424472, 530590, 568880, 689767, 848944, 1061180, 1379534, 2122360, 2759068, 3448835, 4244720, 5518136, 6897670, 11036272, 13795340, 27590680, 55181360]

約数ペア:

[(1, 55181360), (2, 27590680), (4, 13795340), (5, 11036272), (8, 6897670), (10, 5518136), (13, 4244720), (16, 3448835), (20, 2759068), (26, 2122360), (40, 1379534), (52, 1061180), (65, 848944), (80, 689767), (97, 568880), (104, 530590), (130, 424472), (194, 284440), (208, 265295), (260, 212236), (388, 142220), (485, 113776), (520, 106118), (547, 100880), (776, 71110), (970, 56888), (1040, 53059), (1094, 50440), (1261, 43760), (1552, 35555), (1940, 28444), (2188, 25220), (2522, 21880), (2735, 20176), (3880, 14222), (4376, 12610), (5044, 10940), (5470, 10088), (6305, 8752), (7111, 7760)]