51296980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2797}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 124096896

約数和(自身を除く): 72799916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 2797, 3668, 4585, 5594, 9170, 11188, 13985, 18340, 19579, 27970, 39158, 55940, 78316, 97895, 195790, 366407, 391580, 732814, 1465628, 1832035, 2564849, 3664070, 5129698, 7328140, 10259396, 12824245, 25648490, 51296980]

約数ペア:

[(1, 51296980), (2, 25648490), (4, 12824245), (5, 10259396), (7, 7328140), (10, 5129698), (14, 3664070), (20, 2564849), (28, 1832035), (35, 1465628), (70, 732814), (131, 391580), (140, 366407), (262, 195790), (524, 97895), (655, 78316), (917, 55940), (1310, 39158), (1834, 27970), (2620, 19579), (2797, 18340), (3668, 13985), (4585, 11188), (5594, 9170)]