22118120

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2203}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 49986720

約数和(自身を除く): 27868600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2203, 2510, 4406, 5020, 8812, 10040, 11015, 17624, 22030, 44060, 88120, 552953, 1105906, 2211812, 2764765, 4423624, 5529530, 11059060, 22118120]

約数ペア:

[(1, 22118120), (2, 11059060), (4, 5529530), (5, 4423624), (8, 2764765), (10, 2211812), (20, 1105906), (40, 552953), (251, 88120), (502, 44060), (1004, 22030), (1255, 17624), (2008, 11015), (2203, 10040), (2510, 8812), (4406, 5020)]