2049291320

素因数分解:

$2^3\times 5^1\times {\mathrm{5303}}^1\times {\mathrm{9661}}^1$

素因数の和:14975

約数の個数: 32

約数和(自身を含む): 4612252320

約数和(自身を除く): 2562961000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5303, 9661, 10606, 19322, 21212, 26515, 38644, 42424, 48305, 53030, 77288, 96610, 106060, 193220, 212120, 386440, 51232283, 102464566, 204929132, 256161415, 409858264, 512322830, 1024645660, 2049291320]

約数ペア:

[(1, 2049291320), (2, 1024645660), (4, 512322830), (5, 409858264), (8, 256161415), (10, 204929132), (20, 102464566), (40, 51232283), (5303, 386440), (9661, 212120), (10606, 193220), (19322, 106060), (21212, 96610), (26515, 77288), (38644, 53030), (42424, 48305)]