200542840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{23761}}^1$

素因数の和:23983

約数の個数: 32

約数和(自身を含む): 453378960

約数和(自身を除く): 252836120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 23761, 47522, 95044, 118805, 190088, 237610, 475220, 950440, 5013571, 10027142, 20054284, 25067855, 40108568, 50135710, 100271420, 200542840]

約数ペア:

[(1, 200542840), (2, 100271420), (4, 50135710), (5, 40108568), (8, 25067855), (10, 20054284), (20, 10027142), (40, 5013571), (211, 950440), (422, 475220), (844, 237610), (1055, 190088), (1688, 118805), (2110, 95044), (4220, 47522), (8440, 23761)]