89875120

素因数分解:

$2^4\times 5^1\times {\mathrm{1123439}}^1$

素因数の和:1123452

約数の個数: 20

約数和(自身を含む): 208959840

約数和(自身を除く): 119084720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123439, 2246878, 4493756, 5617195, 8987512, 11234390, 17975024, 22468780, 44937560, 89875120]

約数ペア:

[(1, 89875120), (2, 44937560), (4, 22468780), (5, 17975024), (8, 11234390), (10, 8987512), (16, 5617195), (20, 4493756), (40, 2246878), (80, 1123439)]