26498920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 76204800

約数和(自身を除く): 49705880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 293, 323, 340, 380, 476, 532, 586, 595, 646, 665, 680, 760, 952, 1064, 1172, 1190, 1292, 1330, 1465, 1615, 2051, 2261, 2344, 2380, 2584, 2660, 2930, 3230, 4102, 4522, 4760, 4981, 5320, 5567, 5860, 6460, 8204, 9044, 9962, 10255, 11134, 11305, 11720, 12920, 16408, 18088, 19924, 20510, 22268, 22610, 24905, 27835, 34867, 38969, 39848, 41020, 44536, 45220, 49810, 55670, 69734, 77938, 82040, 90440, 94639, 99620, 111340, 139468, 155876, 174335, 189278, 194845, 199240, 222680, 278936, 311752, 348670, 378556, 389690, 473195, 662473, 697340, 757112, 779380, 946390, 1324946, 1394680, 1558760, 1892780, 2649892, 3312365, 3785560, 5299784, 6624730, 13249460, 26498920]

約数ペア:

[(1, 26498920), (2, 13249460), (4, 6624730), (5, 5299784), (7, 3785560), (8, 3312365), (10, 2649892), (14, 1892780), (17, 1558760), (19, 1394680), (20, 1324946), (28, 946390), (34, 779380), (35, 757112), (38, 697340), (40, 662473), (56, 473195), (68, 389690), (70, 378556), (76, 348670), (85, 311752), (95, 278936), (119, 222680), (133, 199240), (136, 194845), (140, 189278), (152, 174335), (170, 155876), (190, 139468), (238, 111340), (266, 99620), (280, 94639), (293, 90440), (323, 82040), (340, 77938), (380, 69734), (476, 55670), (532, 49810), (586, 45220), (595, 44536), (646, 41020), (665, 39848), (680, 38969), (760, 34867), (952, 27835), (1064, 24905), (1172, 22610), (1190, 22268), (1292, 20510), (1330, 19924), (1465, 18088), (1615, 16408), (2051, 12920), (2261, 11720), (2344, 11305), (2380, 11134), (2584, 10255), (2660, 9962), (2930, 9044), (3230, 8204), (4102, 6460), (4522, 5860), (4760, 5567), (4981, 5320)]