133022840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{15761}}^1$

素因数の和:15983

約数の個数: 32

約数和(自身を含む): 300738960

約数和(自身を除く): 167716120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 15761, 31522, 63044, 78805, 126088, 157610, 315220, 630440, 3325571, 6651142, 13302284, 16627855, 26604568, 33255710, 66511420, 133022840]

約数ペア:

[(1, 133022840), (2, 66511420), (4, 33255710), (5, 26604568), (8, 16627855), (10, 13302284), (20, 6651142), (40, 3325571), (211, 630440), (422, 315220), (844, 157610), (1055, 126088), (1688, 78805), (2110, 63044), (4220, 31522), (8440, 15761)]