26591630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 27695218

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 67, 71, 86, 130, 134, 142, 215, 335, 355, 430, 559, 670, 710, 871, 923, 1118, 1742, 1846, 2795, 2881, 3053, 4355, 4615, 4757, 5590, 5762, 6106, 8710, 9230, 9514, 14405, 15265, 23785, 28810, 30530, 37453, 39689, 47570, 61841, 74906, 79378, 123682, 187265, 198445, 204551, 309205, 374530, 396890, 409102, 618410, 1022755, 2045510, 2659163, 5318326, 13295815, 26591630]

約数ペア:

[(1, 26591630), (2, 13295815), (5, 5318326), (10, 2659163), (13, 2045510), (26, 1022755), (43, 618410), (65, 409102), (67, 396890), (71, 374530), (86, 309205), (130, 204551), (134, 198445), (142, 187265), (215, 123682), (335, 79378), (355, 74906), (430, 61841), (559, 47570), (670, 39689), (710, 37453), (871, 30530), (923, 28810), (1118, 23785), (1742, 15265), (1846, 14405), (2795, 9514), (2881, 9230), (3053, 8710), (4355, 6106), (4615, 5762), (4757, 5590)]