804980720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324589}}^1$

素因数の和:324633

約数の個数: 40

約数和(自身を含む): 1931959680

約数和(自身を除く): 1126978960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 324589, 649178, 1298356, 1622945, 2596712, 3245890, 5193424, 6491780, 10062259, 12983560, 20124518, 25967120, 40249036, 50311295, 80498072, 100622590, 160996144, 201245180, 402490360, 804980720]

約数ペア:

[(1, 804980720), (2, 402490360), (4, 201245180), (5, 160996144), (8, 100622590), (10, 80498072), (16, 50311295), (20, 40249036), (31, 25967120), (40, 20124518), (62, 12983560), (80, 10062259), (124, 6491780), (155, 5193424), (248, 3245890), (310, 2596712), (496, 1622945), (620, 1298356), (1240, 649178), (2480, 324589)]