788396440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{1601}}^1$

素因数の和:2572

約数の個数: 64

約数和(自身を含む): 1913556960

約数和(自身を除く): 1125160520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 947, 1601, 1894, 3202, 3788, 4735, 6404, 7576, 8005, 9470, 12311, 12808, 16010, 18940, 20813, 24622, 32020, 37880, 41626, 49244, 61555, 64040, 83252, 98488, 104065, 123110, 166504, 208130, 246220, 416260, 492440, 832520, 1516147, 3032294, 6064588, 7580735, 12129176, 15161470, 19709911, 30322940, 39419822, 60645880, 78839644, 98549555, 157679288, 197099110, 394198220, 788396440]

約数ペア:

[(1, 788396440), (2, 394198220), (4, 197099110), (5, 157679288), (8, 98549555), (10, 78839644), (13, 60645880), (20, 39419822), (26, 30322940), (40, 19709911), (52, 15161470), (65, 12129176), (104, 7580735), (130, 6064588), (260, 3032294), (520, 1516147), (947, 832520), (1601, 492440), (1894, 416260), (3202, 246220), (3788, 208130), (4735, 166504), (6404, 123110), (7576, 104065), (8005, 98488), (9470, 83252), (12311, 64040), (12808, 61555), (16010, 49244), (18940, 41626), (20813, 37880), (24622, 32020)]