139230880

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2237}}^1$

素因数の和:2641

約数の個数: 48

約数和(自身を含む): 329925960

約数和(自身を除く): 190695080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 2237, 3112, 3890, 4474, 6224, 7780, 8948, 11185, 12448, 15560, 17896, 22370, 31120, 35792, 44740, 62240, 71584, 89480, 178960, 357920, 870193, 1740386, 3480772, 4350965, 6961544, 8701930, 13923088, 17403860, 27846176, 34807720, 69615440, 139230880]

約数ペア:

[(1, 139230880), (2, 69615440), (4, 34807720), (5, 27846176), (8, 17403860), (10, 13923088), (16, 8701930), (20, 6961544), (32, 4350965), (40, 3480772), (80, 1740386), (160, 870193), (389, 357920), (778, 178960), (1556, 89480), (1945, 71584), (2237, 62240), (3112, 44740), (3890, 35792), (4474, 31120), (6224, 22370), (7780, 17896), (8948, 15560), (11185, 12448)]