326720

素因数分解:

$2^6\times 5^1\times {\mathrm{1021}}^1$

素因数の和:1038

約数の個数: 28

約数和(自身を含む): 778764

約数和(自身を除く): 452044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1021, 2042, 4084, 5105, 8168, 10210, 16336, 20420, 32672, 40840, 65344, 81680, 163360, 326720]

約数ペア:

[(1, 326720), (2, 163360), (4, 81680), (5, 65344), (8, 40840), (10, 32672), (16, 20420), (20, 16336), (32, 10210), (40, 8168), (64, 5105), (80, 4084), (160, 2042), (320, 1021)]