20145298960

素因数分解:

$2^4\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{124231}}^1$

素因数の和:126271

約数の個数: 40

約数和(自身を含む): 46861304256

約数和(自身を除く): 26716005296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2027, 4054, 8108, 10135, 16216, 20270, 32432, 40540, 81080, 124231, 162160, 248462, 496924, 621155, 993848, 1242310, 1987696, 2484620, 4969240, 9938480, 251816237, 503632474, 1007264948, 1259081185, 2014529896, 2518162370, 4029059792, 5036324740, 10072649480, 20145298960]

約数ペア:

[(1, 20145298960), (2, 10072649480), (4, 5036324740), (5, 4029059792), (8, 2518162370), (10, 2014529896), (16, 1259081185), (20, 1007264948), (40, 503632474), (80, 251816237), (2027, 9938480), (4054, 4969240), (8108, 2484620), (10135, 1987696), (16216, 1242310), (20270, 993848), (32432, 621155), (40540, 496924), (81080, 248462), (124231, 162160)]