28798240

素因数分解:

$2^5\times 5^1\times {\mathrm{179989}}^1$

素因数の和:180004

約数の個数: 24

約数和(自身を含む): 68036220

約数和(自身を除く): 39237980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179989, 359978, 719956, 899945, 1439912, 1799890, 2879824, 3599780, 5759648, 7199560, 14399120, 28798240]

約数ペア:

[(1, 28798240), (2, 14399120), (4, 7199560), (5, 5759648), (8, 3599780), (10, 2879824), (16, 1799890), (20, 1439912), (32, 899945), (40, 719956), (80, 359978), (160, 179989)]