157226360

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6113}}^1$

素因数の和:6767

約数の個数: 32

約数和(自身を含む): 354367440

約数和(自身を除く): 197141080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6113, 6430, 12226, 12860, 24452, 25720, 30565, 48904, 61130, 122260, 244520, 3930659, 7861318, 15722636, 19653295, 31445272, 39306590, 78613180, 157226360]

約数ペア:

[(1, 157226360), (2, 78613180), (4, 39306590), (5, 31445272), (8, 19653295), (10, 15722636), (20, 7861318), (40, 3930659), (643, 244520), (1286, 122260), (2572, 61130), (3215, 48904), (5144, 30565), (6113, 25720), (6430, 24452), (12226, 12860)]