1814331320

素因数分解:

$2^3\times 5^1\times {\mathrm{3313}}^1\times {\mathrm{13691}}^1$

素因数の和:17015

約数の個数: 32

約数和(自身を含む): 4083775920

約数和(自身を除く): 2269444600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3313, 6626, 13252, 13691, 16565, 26504, 27382, 33130, 54764, 66260, 68455, 109528, 132520, 136910, 273820, 547640, 45358283, 90716566, 181433132, 226791415, 362866264, 453582830, 907165660, 1814331320]

約数ペア:

[(1, 1814331320), (2, 907165660), (4, 453582830), (5, 362866264), (8, 226791415), (10, 181433132), (20, 90716566), (40, 45358283), (3313, 547640), (6626, 273820), (13252, 136910), (13691, 132520), (16565, 109528), (26504, 68455), (27382, 66260), (33130, 54764)]