323271040

素因数分解:

$2^7\times 5^1\times {\mathrm{505111}}^1$

素因数の和:505130

約数の個数: 32

約数和(自身を含む): 772821360

約数和(自身を除く): 449550320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 505111, 1010222, 2020444, 2525555, 4040888, 5051110, 8081776, 10102220, 16163552, 20204440, 32327104, 40408880, 64654208, 80817760, 161635520, 323271040]

約数ペア:

[(1, 323271040), (2, 161635520), (4, 80817760), (5, 64654208), (8, 40408880), (10, 32327104), (16, 20204440), (20, 16163552), (32, 10102220), (40, 8081776), (64, 5051110), (80, 4040888), (128, 2525555), (160, 2020444), (320, 1010222), (640, 505111)]