996088960

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4001}}^1$

素因数の和:4409

約数の個数: 64

約数和(自身を含む): 2387993400

約数和(自身を除く): 1391904440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 640, 778, 1556, 1945, 3112, 3890, 4001, 6224, 7780, 8002, 12448, 15560, 16004, 20005, 24896, 31120, 32008, 40010, 49792, 62240, 64016, 80020, 124480, 128032, 160040, 248960, 256064, 320080, 512128, 640160, 1280320, 1556389, 2560640, 3112778, 6225556, 7781945, 12451112, 15563890, 24902224, 31127780, 49804448, 62255560, 99608896, 124511120, 199217792, 249022240, 498044480, 996088960]

約数ペア:

[(1, 996088960), (2, 498044480), (4, 249022240), (5, 199217792), (8, 124511120), (10, 99608896), (16, 62255560), (20, 49804448), (32, 31127780), (40, 24902224), (64, 15563890), (80, 12451112), (128, 7781945), (160, 6225556), (320, 3112778), (389, 2560640), (640, 1556389), (778, 1280320), (1556, 640160), (1945, 512128), (3112, 320080), (3890, 256064), (4001, 248960), (6224, 160040), (7780, 128032), (8002, 124480), (12448, 80020), (15560, 64016), (16004, 62240), (20005, 49792), (24896, 40010), (31120, 32008)]