2077889320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3995941}}^1$

素因数の和:3995965

約数の個数: 32

約数和(自身を含む): 5034886920

約数和(自身を除く): 2956997600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3995941, 7991882, 15983764, 19979705, 31967528, 39959410, 51947233, 79918820, 103894466, 159837640, 207788932, 259736165, 415577864, 519472330, 1038944660, 2077889320]

約数ペア:

[(1, 2077889320), (2, 1038944660), (4, 519472330), (5, 415577864), (8, 259736165), (10, 207788932), (13, 159837640), (20, 103894466), (26, 79918820), (40, 51947233), (52, 39959410), (65, 31967528), (104, 19979705), (130, 15983764), (260, 7991882), (520, 3995941)]