123023840

素因数分解:

$2^5\times 5^1\times {\mathrm{787}}^1\times {\mathrm{977}}^1$

素因数の和:1779

約数の個数: 48

約数和(自身を含む): 291310992

約数和(自身を除く): 168287152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 787, 977, 1574, 1954, 3148, 3908, 3935, 4885, 6296, 7816, 7870, 9770, 12592, 15632, 15740, 19540, 25184, 31264, 31480, 39080, 62960, 78160, 125920, 156320, 768899, 1537798, 3075596, 3844495, 6151192, 7688990, 12302384, 15377980, 24604768, 30755960, 61511920, 123023840]

約数ペア:

[(1, 123023840), (2, 61511920), (4, 30755960), (5, 24604768), (8, 15377980), (10, 12302384), (16, 7688990), (20, 6151192), (32, 3844495), (40, 3075596), (80, 1537798), (160, 768899), (787, 156320), (977, 125920), (1574, 78160), (1954, 62960), (3148, 39080), (3908, 31480), (3935, 31264), (4885, 25184), (6296, 19540), (7816, 15740), (7870, 15632), (9770, 12592)]