2500840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 5690880

約数和(自身を除く): 3190040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 607, 824, 1030, 1214, 2060, 2428, 3035, 4120, 4856, 6070, 12140, 24280, 62521, 125042, 250084, 312605, 500168, 625210, 1250420, 2500840]

約数ペア:

[(1, 2500840), (2, 1250420), (4, 625210), (5, 500168), (8, 312605), (10, 250084), (20, 125042), (40, 62521), (103, 24280), (206, 12140), (412, 6070), (515, 4856), (607, 4120), (824, 3035), (1030, 2428), (1214, 2060)]