51782380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 117694080

約数和(自身を除く): 65911700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 719, 1108, 1385, 1438, 2770, 2876, 3595, 3601, 5540, 7190, 7202, 9347, 14380, 14404, 18005, 18694, 36010, 37388, 46735, 72020, 93470, 186940, 199163, 398326, 796652, 995815, 1991630, 2589119, 3983260, 5178238, 10356476, 12945595, 25891190, 51782380]

約数ペア:

[(1, 51782380), (2, 25891190), (4, 12945595), (5, 10356476), (10, 5178238), (13, 3983260), (20, 2589119), (26, 1991630), (52, 995815), (65, 796652), (130, 398326), (260, 199163), (277, 186940), (554, 93470), (719, 72020), (1108, 46735), (1385, 37388), (1438, 36010), (2770, 18694), (2876, 18005), (3595, 14404), (3601, 14380), (5540, 9347), (7190, 7202)]