13768389640

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{183971}}^1$

素因数の和:185853

約数の個数: 32

約数和(自身を含む): 30995602560

約数和(自身を除く): 17227212920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 7484, 9355, 14968, 18710, 37420, 74840, 183971, 367942, 735884, 919855, 1471768, 1839710, 3679420, 7358840, 344209741, 688419482, 1376838964, 1721048705, 2753677928, 3442097410, 6884194820, 13768389640]

約数ペア:

[(1, 13768389640), (2, 6884194820), (4, 3442097410), (5, 2753677928), (8, 1721048705), (10, 1376838964), (20, 688419482), (40, 344209741), (1871, 7358840), (3742, 3679420), (7484, 1839710), (9355, 1471768), (14968, 919855), (18710, 735884), (37420, 367942), (74840, 183971)]