40104880

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1021}}^1$

素因数の和:1525

約数の個数: 40

約数和(自身を含む): 93525264

約数和(自身を除く): 53420384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1021, 1964, 2042, 2455, 3928, 4084, 4910, 5105, 7856, 8168, 9820, 10210, 16336, 19640, 20420, 39280, 40840, 81680, 501311, 1002622, 2005244, 2506555, 4010488, 5013110, 8020976, 10026220, 20052440, 40104880]

約数ペア:

[(1, 40104880), (2, 20052440), (4, 10026220), (5, 8020976), (8, 5013110), (10, 4010488), (16, 2506555), (20, 2005244), (40, 1002622), (80, 501311), (491, 81680), (982, 40840), (1021, 39280), (1964, 20420), (2042, 19640), (2455, 16336), (3928, 10210), (4084, 9820), (4910, 8168), (5105, 7856)]