2216780

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 4683840

約数和(自身を除く): 2467060

約数列:

[1, 2, 4, 5, 10, 20, 271, 409, 542, 818, 1084, 1355, 1636, 2045, 2710, 4090, 5420, 8180, 110839, 221678, 443356, 554195, 1108390, 2216780]

約数ペア:

[(1, 2216780), (2, 1108390), (4, 554195), (5, 443356), (10, 221678), (20, 110839), (271, 8180), (409, 5420), (542, 4090), (818, 2710), (1084, 2045), (1355, 1636)]