65240780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26959}}^1$

素因数の和:26990

約数の個数: 36

約数和(自身を含む): 150598560

約数和(自身を除く): 85357780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 26959, 53918, 107836, 134795, 269590, 296549, 539180, 593098, 1186196, 1482745, 2965490, 3262039, 5930980, 6524078, 13048156, 16310195, 32620390, 65240780]

約数ペア:

[(1, 65240780), (2, 32620390), (4, 16310195), (5, 13048156), (10, 6524078), (11, 5930980), (20, 3262039), (22, 2965490), (44, 1482745), (55, 1186196), (110, 593098), (121, 539180), (220, 296549), (242, 269590), (484, 134795), (605, 107836), (1210, 53918), (2420, 26959)]