129620180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281783}}^1$

素因数の和:281815

約数の個数: 24

約数和(自身を含む): 284038272

約数和(自身を除く): 154418092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 281783, 563566, 1127132, 1408915, 2817830, 5635660, 6481009, 12962018, 25924036, 32405045, 64810090, 129620180]

約数ペア:

[(1, 129620180), (2, 64810090), (4, 32405045), (5, 25924036), (10, 12962018), (20, 6481009), (23, 5635660), (46, 2817830), (92, 1408915), (115, 1127132), (230, 563566), (460, 281783)]