26530570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 28212470

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 71, 79, 86, 110, 142, 158, 215, 355, 395, 430, 473, 710, 781, 790, 869, 946, 1562, 1738, 2365, 3053, 3397, 3905, 4345, 4730, 5609, 6106, 6794, 7810, 8690, 11218, 15265, 16985, 28045, 30530, 33583, 33970, 37367, 56090, 61699, 67166, 74734, 123398, 167915, 186835, 241187, 308495, 335830, 373670, 482374, 616990, 1205935, 2411870, 2653057, 5306114, 13265285, 26530570]

約数ペア:

[(1, 26530570), (2, 13265285), (5, 5306114), (10, 2653057), (11, 2411870), (22, 1205935), (43, 616990), (55, 482374), (71, 373670), (79, 335830), (86, 308495), (110, 241187), (142, 186835), (158, 167915), (215, 123398), (355, 74734), (395, 67166), (430, 61699), (473, 56090), (710, 37367), (781, 33970), (790, 33583), (869, 30530), (946, 28045), (1562, 16985), (1738, 15265), (2365, 11218), (3053, 8690), (3397, 7810), (3905, 6794), (4345, 6106), (4730, 5609)]