25586360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 35999560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 197, 340, 382, 394, 680, 764, 788, 955, 985, 1528, 1576, 1910, 1970, 3247, 3349, 3820, 3940, 6494, 6698, 7640, 7880, 12988, 13396, 16235, 16745, 25976, 26792, 32470, 33490, 37627, 64940, 66980, 75254, 129880, 133960, 150508, 188135, 301016, 376270, 639659, 752540, 1279318, 1505080, 2558636, 3198295, 5117272, 6396590, 12793180, 25586360]

約数ペア:

[(1, 25586360), (2, 12793180), (4, 6396590), (5, 5117272), (8, 3198295), (10, 2558636), (17, 1505080), (20, 1279318), (34, 752540), (40, 639659), (68, 376270), (85, 301016), (136, 188135), (170, 150508), (191, 133960), (197, 129880), (340, 75254), (382, 66980), (394, 64940), (680, 37627), (764, 33490), (788, 32470), (955, 26792), (985, 25976), (1528, 16745), (1576, 16235), (1910, 13396), (1970, 12988), (3247, 7880), (3349, 7640), (3820, 6698), (3940, 6494)]