157674280

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{6247}}^1$

素因数の和:6889

約数の個数: 32

約数和(自身を含む): 355386240

約数和(自身を除く): 197711960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6247, 6310, 12494, 12620, 24988, 25240, 31235, 49976, 62470, 124940, 249880, 3941857, 7883714, 15767428, 19709285, 31534856, 39418570, 78837140, 157674280]

約数ペア:

[(1, 157674280), (2, 78837140), (4, 39418570), (5, 31534856), (8, 19709285), (10, 15767428), (20, 7883714), (40, 3941857), (631, 249880), (1262, 124940), (2524, 62470), (3155, 49976), (5048, 31235), (6247, 25240), (6310, 24988), (12494, 12620)]