1329379780

素因数分解:

$2^2\times 5^1\times {\mathrm{3709}}^1\times {\mathrm{17921}}^1$

素因数の和:21639

約数の個数: 24

約数和(自身を含む): 2792606040

約数和(自身を除く): 1463226260

約数列:

[1, 2, 4, 5, 10, 20, 3709, 7418, 14836, 17921, 18545, 35842, 37090, 71684, 74180, 89605, 179210, 358420, 66468989, 132937978, 265875956, 332344945, 664689890, 1329379780]

約数ペア:

[(1, 1329379780), (2, 664689890), (4, 332344945), (5, 265875956), (10, 132937978), (20, 66468989), (3709, 358420), (7418, 179210), (14836, 89605), (17921, 74180), (18545, 71684), (35842, 37090)]