61885960

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2239}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 139507200

約数和(自身を除く): 77621240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2239, 2764, 3455, 4478, 5528, 6910, 8956, 11195, 13820, 17912, 22390, 27640, 44780, 89560, 1547149, 3094298, 6188596, 7735745, 12377192, 15471490, 30942980, 61885960]

約数ペア:

[(1, 61885960), (2, 30942980), (4, 15471490), (5, 12377192), (8, 7735745), (10, 6188596), (20, 3094298), (40, 1547149), (691, 89560), (1382, 44780), (2239, 27640), (2764, 22390), (3455, 17912), (4478, 13820), (5528, 11195), (6910, 8956)]