51314720

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2341}}^1$

素因数の和:2493

約数の個数: 48

約数和(自身を含む): 122168088

約数和(自身を除く): 70853368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2341, 2740, 4384, 4682, 5480, 9364, 10960, 11705, 18728, 21920, 23410, 37456, 46820, 74912, 93640, 187280, 320717, 374560, 641434, 1282868, 1603585, 2565736, 3207170, 5131472, 6414340, 10262944, 12828680, 25657360, 51314720]

約数ペア:

[(1, 51314720), (2, 25657360), (4, 12828680), (5, 10262944), (8, 6414340), (10, 5131472), (16, 3207170), (20, 2565736), (32, 1603585), (40, 1282868), (80, 641434), (137, 374560), (160, 320717), (274, 187280), (548, 93640), (685, 74912), (1096, 46820), (1370, 37456), (2192, 23410), (2341, 21920), (2740, 18728), (4384, 11705), (4682, 10960), (5480, 9364)]