40370020

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4111}}^1$

素因数の和:4611

約数の個数: 24

約数和(自身を含む): 84970368

約数和(自身を除く): 44600348

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4111, 4910, 8222, 9820, 16444, 20555, 41110, 82220, 2018501, 4037002, 8074004, 10092505, 20185010, 40370020]

約数ペア:

[(1, 40370020), (2, 20185010), (4, 10092505), (5, 8074004), (10, 4037002), (20, 2018501), (491, 82220), (982, 41110), (1964, 20555), (2455, 16444), (4111, 9820), (4910, 8222)]