155997280

素因数分解:

$2^5\times 5^1\times {\mathrm{974983}}^1$

素因数の和:974998

約数の個数: 24

約数和(自身を含む): 368543952

約数和(自身を除く): 212546672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 974983, 1949966, 3899932, 4874915, 7799864, 9749830, 15599728, 19499660, 31199456, 38999320, 77998640, 155997280]

約数ペア:

[(1, 155997280), (2, 77998640), (4, 38999320), (5, 31199456), (8, 19499660), (10, 15599728), (16, 9749830), (20, 7799864), (32, 4874915), (40, 3899932), (80, 1949966), (160, 974983)]