79480480

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1277}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 188402760

約数和(自身を除く): 108922280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1277, 1556, 1945, 2554, 3112, 3890, 5108, 6224, 6385, 7780, 10216, 12448, 12770, 15560, 20432, 25540, 31120, 40864, 51080, 62240, 102160, 204320, 496753, 993506, 1987012, 2483765, 3974024, 4967530, 7948048, 9935060, 15896096, 19870120, 39740240, 79480480]

約数ペア:

[(1, 79480480), (2, 39740240), (4, 19870120), (5, 15896096), (8, 9935060), (10, 7948048), (16, 4967530), (20, 3974024), (32, 2483765), (40, 1987012), (80, 993506), (160, 496753), (389, 204320), (778, 102160), (1277, 62240), (1556, 51080), (1945, 40864), (2554, 31120), (3112, 25540), (3890, 20432), (5108, 15560), (6224, 12770), (6385, 12448), (7780, 10216)]