2220803120

素因数分解:

$2^4\times 5^1\times {\mathrm{27760039}}^1$

素因数の和:27760052

約数の個数: 20

約数和(自身を含む): 5163367440

約数和(自身を除く): 2942564320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27760039, 55520078, 111040156, 138800195, 222080312, 277600390, 444160624, 555200780, 1110401560, 2220803120]

約数ペア:

[(1, 2220803120), (2, 1110401560), (4, 555200780), (5, 444160624), (8, 277600390), (10, 222080312), (16, 138800195), (20, 111040156), (40, 55520078), (80, 27760039)]