129242000

素因数分解:

$2^4\times 5^3\times {\mathrm{64621}}^1$

素因数の和:64644

約数の個数: 40

約数和(自身を含む): 312511992

約数和(自身を除く): 183269992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 64621, 129242, 258484, 323105, 516968, 646210, 1033936, 1292420, 1615525, 2584840, 3231050, 5169680, 6462100, 8077625, 12924200, 16155250, 25848400, 32310500, 64621000, 129242000]

約数ペア:

[(1, 129242000), (2, 64621000), (4, 32310500), (5, 25848400), (8, 16155250), (10, 12924200), (16, 8077625), (20, 6462100), (25, 5169680), (40, 3231050), (50, 2584840), (80, 1615525), (100, 1292420), (125, 1033936), (200, 646210), (250, 516968), (400, 323105), (500, 258484), (1000, 129242), (2000, 64621)]