1238840

素因数分解:

$2^3\times 5^1\times {\mathrm{30971}}^1$

素因数の和:30982

約数の個数: 16

約数和(自身を含む): 2787480

約数和(自身を除く): 1548640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30971, 61942, 123884, 154855, 247768, 309710, 619420, 1238840]

約数ペア:

[(1, 1238840), (2, 619420), (4, 309710), (5, 247768), (8, 154855), (10, 123884), (20, 61942), (40, 30971)]