1259796820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{495983}}^1$

素因数の和:496119

約数の個数: 24

約数和(自身を含む): 2666409984

約数和(自身を除く): 1406613164

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 495983, 991966, 1983932, 2479915, 4959830, 9919660, 62989841, 125979682, 251959364, 314949205, 629898410, 1259796820]

約数ペア:

[(1, 1259796820), (2, 629898410), (4, 314949205), (5, 251959364), (10, 125979682), (20, 62989841), (127, 9919660), (254, 4959830), (508, 2479915), (635, 1983932), (1270, 991966), (2540, 495983)]