53907620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 125896680

約数和(自身を除く): 71989060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 169, 205, 260, 338, 389, 410, 533, 676, 778, 820, 845, 1066, 1556, 1690, 1945, 2132, 2665, 3380, 3890, 5057, 5330, 6929, 7780, 10114, 10660, 13858, 15949, 20228, 25285, 27716, 31898, 34645, 50570, 63796, 65741, 69290, 79745, 101140, 131482, 138580, 159490, 207337, 262964, 318980, 328705, 414674, 657410, 829348, 1036685, 1314820, 2073370, 2695381, 4146740, 5390762, 10781524, 13476905, 26953810, 53907620]

約数ペア:

[(1, 53907620), (2, 26953810), (4, 13476905), (5, 10781524), (10, 5390762), (13, 4146740), (20, 2695381), (26, 2073370), (41, 1314820), (52, 1036685), (65, 829348), (82, 657410), (130, 414674), (164, 328705), (169, 318980), (205, 262964), (260, 207337), (338, 159490), (389, 138580), (410, 131482), (533, 101140), (676, 79745), (778, 69290), (820, 65741), (845, 63796), (1066, 50570), (1556, 34645), (1690, 31898), (1945, 27716), (2132, 25285), (2665, 20228), (3380, 15949), (3890, 13858), (5057, 10660), (5330, 10114), (6929, 7780)]