166609880

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{3557}}^1$

素因数の和:4739

約数の個数: 32

約数和(自身を含む): 375297840

約数和(自身を除く): 208687960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 2342, 3557, 4684, 5855, 7114, 9368, 11710, 14228, 17785, 23420, 28456, 35570, 46840, 71140, 142280, 4165247, 8330494, 16660988, 20826235, 33321976, 41652470, 83304940, 166609880]

約数ペア:

[(1, 166609880), (2, 83304940), (4, 41652470), (5, 33321976), (8, 20826235), (10, 16660988), (20, 8330494), (40, 4165247), (1171, 142280), (2342, 71140), (3557, 46840), (4684, 35570), (5855, 28456), (7114, 23420), (9368, 17785), (11710, 14228)]