189856120

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5867}}^1$

素因数の和:6687

約数の個数: 32

約数和(自身を含む): 427777200

約数和(自身を除く): 237921080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 5867, 6472, 8090, 11734, 16180, 23468, 29335, 32360, 46936, 58670, 117340, 234680, 4746403, 9492806, 18985612, 23732015, 37971224, 47464030, 94928060, 189856120]

約数ペア:

[(1, 189856120), (2, 94928060), (4, 47464030), (5, 37971224), (8, 23732015), (10, 18985612), (20, 9492806), (40, 4746403), (809, 234680), (1618, 117340), (3236, 58670), (4045, 46936), (5867, 32360), (6472, 29335), (8090, 23468), (11734, 16180)]