2215280

素因数分解:

$2^4\times 5^1\times {\mathrm{27691}}^1$

素因数の和:27704

約数の個数: 20

約数和(自身を含む): 5150712

約数和(自身を除く): 2935432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27691, 55382, 110764, 138455, 221528, 276910, 443056, 553820, 1107640, 2215280]

約数ペア:

[(1, 2215280), (2, 1107640), (4, 553820), (5, 443056), (8, 276910), (10, 221528), (16, 138455), (20, 110764), (40, 55382), (80, 27691)]