4080876680

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{563657}}^1$

素因数の和:563849

約数の個数: 32

約数和(自身を含む): 9232718040

約数和(自身を除く): 5151841360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 563657, 1127314, 2254628, 2818285, 4509256, 5636570, 11273140, 22546280, 102021917, 204043834, 408087668, 510109585, 816175336, 1020219170, 2040438340, 4080876680]

約数ペア:

[(1, 4080876680), (2, 2040438340), (4, 1020219170), (5, 816175336), (8, 510109585), (10, 408087668), (20, 204043834), (40, 102021917), (181, 22546280), (362, 11273140), (724, 5636570), (905, 4509256), (1448, 2818285), (1810, 2254628), (3620, 1127314), (7240, 563657)]