157788689480

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2108347}}^1$

素因数の和:2110229

約数の個数: 32

約数和(自身を含む): 355214471040

約数和(自身を除く): 197425781560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 7484, 9355, 14968, 18710, 37420, 74840, 2108347, 4216694, 8433388, 10541735, 16866776, 21083470, 42166940, 84333880, 3944717237, 7889434474, 15778868948, 19723586185, 31557737896, 39447172370, 78894344740, 157788689480]

約数ペア:

[(1, 157788689480), (2, 78894344740), (4, 39447172370), (5, 31557737896), (8, 19723586185), (10, 15778868948), (20, 7889434474), (40, 3944717237), (1871, 84333880), (3742, 42166940), (7484, 21083470), (9355, 16866776), (14968, 10541735), (18710, 8433388), (37420, 4216694), (74840, 2108347)]