79857440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38393}}^1$

素因数の和:38421

約数の個数: 48

約数和(自身を含む): 203181048

約数和(自身を除く): 123323608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 38393, 76786, 153572, 191965, 307144, 383930, 499109, 614288, 767860, 998218, 1228576, 1535720, 1996436, 2495545, 3071440, 3992872, 4991090, 6142880, 7985744, 9982180, 15971488, 19964360, 39928720, 79857440]

約数ペア:

[(1, 79857440), (2, 39928720), (4, 19964360), (5, 15971488), (8, 9982180), (10, 7985744), (13, 6142880), (16, 4991090), (20, 3992872), (26, 3071440), (32, 2495545), (40, 1996436), (52, 1535720), (65, 1228576), (80, 998218), (104, 767860), (130, 614288), (160, 499109), (208, 383930), (260, 307144), (416, 191965), (520, 153572), (1040, 76786), (2080, 38393)]