40848400

素因数分解:

$2^4\times 5^2\times {\mathrm{102121}}^1$

素因数の和:102139

約数の個数: 30

約数和(自身を含む): 98139242

約数和(自身を除く): 57290842

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 102121, 204242, 408484, 510605, 816968, 1021210, 1633936, 2042420, 2553025, 4084840, 5106050, 8169680, 10212100, 20424200, 40848400]

約数ペア:

[(1, 40848400), (2, 20424200), (4, 10212100), (5, 8169680), (8, 5106050), (10, 4084840), (16, 2553025), (20, 2042420), (25, 1633936), (40, 1021210), (50, 816968), (80, 510605), (100, 408484), (200, 204242), (400, 102121)]