251091220

素因数分解:

$2^2\times 5^1\times {\mathrm{967}}^1\times {\mathrm{12983}}^1$

素因数の和:13959

約数の個数: 24

約数和(自身を含む): 527877504

約数和(自身を除く): 276786284

約数列:

[1, 2, 4, 5, 10, 20, 967, 1934, 3868, 4835, 9670, 12983, 19340, 25966, 51932, 64915, 129830, 259660, 12554561, 25109122, 50218244, 62772805, 125545610, 251091220]

約数ペア:

[(1, 251091220), (2, 125545610), (4, 62772805), (5, 50218244), (10, 25109122), (20, 12554561), (967, 259660), (1934, 129830), (3868, 64915), (4835, 51932), (9670, 25966), (12983, 19340)]