55167710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 111767040

約数和(自身を除く): 56599330

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 71, 86, 130, 139, 142, 215, 278, 355, 430, 559, 695, 710, 923, 1118, 1390, 1807, 1846, 2795, 3053, 3614, 4615, 5590, 5977, 6106, 9035, 9230, 9869, 11954, 15265, 18070, 19738, 29885, 30530, 39689, 49345, 59770, 77701, 79378, 98690, 128297, 155402, 198445, 256594, 388505, 396890, 424367, 641485, 777010, 848734, 1282970, 2121835, 4243670, 5516771, 11033542, 27583855, 55167710]

約数ペア:

[(1, 55167710), (2, 27583855), (5, 11033542), (10, 5516771), (13, 4243670), (26, 2121835), (43, 1282970), (65, 848734), (71, 777010), (86, 641485), (130, 424367), (139, 396890), (142, 388505), (215, 256594), (278, 198445), (355, 155402), (430, 128297), (559, 98690), (695, 79378), (710, 77701), (923, 59770), (1118, 49345), (1390, 39689), (1807, 30530), (1846, 29885), (2795, 19738), (3053, 18070), (3614, 15265), (4615, 11954), (5590, 9869), (5977, 9230), (6106, 9035)]