1257704440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{164621}}^1$

素因数の和:164823

約数の個数: 32

約数和(自身を含む): 2844668160

約数和(自身を除く): 1586963720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 164621, 329242, 658484, 823105, 1316968, 1646210, 3292420, 6584840, 31442611, 62885222, 125770444, 157213055, 251540888, 314426110, 628852220, 1257704440]

約数ペア:

[(1, 1257704440), (2, 628852220), (4, 314426110), (5, 251540888), (8, 157213055), (10, 125770444), (20, 62885222), (40, 31442611), (191, 6584840), (382, 3292420), (764, 1646210), (955, 1316968), (1528, 823105), (1910, 658484), (3820, 329242), (7640, 164621)]