71381440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17159}}^1$

素因数の和:17189

約数の個数: 56

約数和(自身を含む): 183062880

約数和(自身を除く): 111681440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 17159, 34318, 68636, 85795, 137272, 171590, 223067, 274544, 343180, 446134, 549088, 686360, 892268, 1098176, 1115335, 1372720, 1784536, 2230670, 2745440, 3569072, 4461340, 5490880, 7138144, 8922680, 14276288, 17845360, 35690720, 71381440]

約数ペア:

[(1, 71381440), (2, 35690720), (4, 17845360), (5, 14276288), (8, 8922680), (10, 7138144), (13, 5490880), (16, 4461340), (20, 3569072), (26, 2745440), (32, 2230670), (40, 1784536), (52, 1372720), (64, 1115335), (65, 1098176), (80, 892268), (104, 686360), (130, 549088), (160, 446134), (208, 343180), (260, 274544), (320, 223067), (416, 171590), (520, 137272), (832, 85795), (1040, 68636), (2080, 34318), (4160, 17159)]