738477680

素因数分解:

$2^4\times 5^1\times {\mathrm{9230971}}^1$

素因数の和:9230984

約数の個数: 20

約数和(自身を含む): 1716960792

約数和(自身を除く): 978483112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9230971, 18461942, 36923884, 46154855, 73847768, 92309710, 147695536, 184619420, 369238840, 738477680]

約数ペア:

[(1, 738477680), (2, 369238840), (4, 184619420), (5, 147695536), (8, 92309710), (10, 73847768), (16, 46154855), (20, 36923884), (40, 18461942), (80, 9230971)]