56420860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39733}}^1$

素因数の和:39813

約数の個数: 24

約数和(自身を含む): 120155616

約数和(自身を除く): 63734756

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 39733, 79466, 158932, 198665, 397330, 794660, 2821043, 5642086, 11284172, 14105215, 28210430, 56420860]

約数ペア:

[(1, 56420860), (2, 28210430), (4, 14105215), (5, 11284172), (10, 5642086), (20, 2821043), (71, 794660), (142, 397330), (284, 198665), (355, 158932), (710, 79466), (1420, 39733)]