531560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 1217160

約数和(自身を除く): 685600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 194, 274, 388, 485, 548, 685, 776, 970, 1096, 1370, 1940, 2740, 3880, 5480, 13289, 26578, 53156, 66445, 106312, 132890, 265780, 531560]

約数ペア:

[(1, 531560), (2, 265780), (4, 132890), (5, 106312), (8, 66445), (10, 53156), (20, 26578), (40, 13289), (97, 5480), (137, 3880), (194, 2740), (274, 1940), (388, 1370), (485, 1096), (548, 970), (685, 776)]