66123740

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{4201}}^1$

素因数の和:4997

約数の個数: 24

約数和(自身を含む): 139069392

約数和(自身を除く): 72945652

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 4201, 7870, 8402, 15740, 16804, 21005, 42010, 84020, 3306187, 6612374, 13224748, 16530935, 33061870, 66123740]

約数ペア:

[(1, 66123740), (2, 33061870), (4, 16530935), (5, 13224748), (10, 6612374), (20, 3306187), (787, 84020), (1574, 42010), (3148, 21005), (3935, 16804), (4201, 15740), (7870, 8402)]