164524280

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{8377}}^1$

素因数の和:8879

約数の個数: 32

約数和(自身を含む): 370977840

約数和(自身を除く): 206453560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 8377, 9820, 16754, 19640, 33508, 41885, 67016, 83770, 167540, 335080, 4113107, 8226214, 16452428, 20565535, 32904856, 41131070, 82262140, 164524280]

約数ペア:

[(1, 164524280), (2, 82262140), (4, 41131070), (5, 32904856), (8, 20565535), (10, 16452428), (20, 8226214), (40, 4113107), (491, 335080), (982, 167540), (1964, 83770), (2455, 67016), (3928, 41885), (4910, 33508), (8377, 19640), (9820, 16754)]