26087380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 63715680

約数和(自身を除く): 37628300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 79, 95, 110, 158, 190, 209, 220, 316, 380, 395, 418, 790, 836, 869, 1045, 1501, 1580, 1738, 2090, 3002, 3476, 4180, 4345, 6004, 6241, 7505, 8690, 12482, 15010, 16511, 17380, 24964, 30020, 31205, 33022, 62410, 66044, 68651, 82555, 118579, 124820, 137302, 165110, 237158, 274604, 330220, 343255, 474316, 592895, 686510, 1185790, 1304369, 1373020, 2371580, 2608738, 5217476, 6521845, 13043690, 26087380]

約数ペア:

[(1, 26087380), (2, 13043690), (4, 6521845), (5, 5217476), (10, 2608738), (11, 2371580), (19, 1373020), (20, 1304369), (22, 1185790), (38, 686510), (44, 592895), (55, 474316), (76, 343255), (79, 330220), (95, 274604), (110, 237158), (158, 165110), (190, 137302), (209, 124820), (220, 118579), (316, 82555), (380, 68651), (395, 66044), (418, 62410), (790, 33022), (836, 31205), (869, 30020), (1045, 24964), (1501, 17380), (1580, 16511), (1738, 15010), (2090, 12482), (3002, 8690), (3476, 7505), (4180, 6241), (4345, 6004)]