264842000

素因数分解:

$2^4\times 5^3\times {\mathrm{132421}}^1$

素因数の和:132444

約数の個数: 40

約数和(自身を含む): 640392792

約数和(自身を除く): 375550792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 132421, 264842, 529684, 662105, 1059368, 1324210, 2118736, 2648420, 3310525, 5296840, 6621050, 10593680, 13242100, 16552625, 26484200, 33105250, 52968400, 66210500, 132421000, 264842000]

約数ペア:

[(1, 264842000), (2, 132421000), (4, 66210500), (5, 52968400), (8, 33105250), (10, 26484200), (16, 16552625), (20, 13242100), (25, 10593680), (40, 6621050), (50, 5296840), (80, 3310525), (100, 2648420), (125, 2118736), (200, 1324210), (250, 1059368), (400, 662105), (500, 529684), (1000, 264842), (2000, 132421)]