137667440

素因数分解:

$2^4\times 5^1\times {\mathrm{1720843}}^1$

素因数の和:1720856

約数の個数: 20

約数和(自身を含む): 320076984

約数和(自身を除く): 182409544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1720843, 3441686, 6883372, 8604215, 13766744, 17208430, 27533488, 34416860, 68833720, 137667440]

約数ペア:

[(1, 137667440), (2, 68833720), (4, 34416860), (5, 27533488), (8, 17208430), (10, 13766744), (16, 8604215), (20, 6883372), (40, 3441686), (80, 1720843)]