105521480

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1997}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 237722040

約数和(自身を除く): 132200560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 1997, 2642, 3994, 5284, 6605, 7988, 9985, 10568, 13210, 15976, 19970, 26420, 39940, 52840, 79880, 2638037, 5276074, 10552148, 13190185, 21104296, 26380370, 52760740, 105521480]

約数ペア:

[(1, 105521480), (2, 52760740), (4, 26380370), (5, 21104296), (8, 13190185), (10, 10552148), (20, 5276074), (40, 2638037), (1321, 79880), (1997, 52840), (2642, 39940), (3994, 26420), (5284, 19970), (6605, 15976), (7988, 13210), (9985, 10568)]