2196920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4993}}^1$

素因数の和:5015

約数の個数: 32

約数和(自身を含む): 5393520

約数和(自身を除く): 3196600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4993, 9986, 19972, 24965, 39944, 49930, 54923, 99860, 109846, 199720, 219692, 274615, 439384, 549230, 1098460, 2196920]

約数ペア:

[(1, 2196920), (2, 1098460), (4, 549230), (5, 439384), (8, 274615), (10, 219692), (11, 199720), (20, 109846), (22, 99860), (40, 54923), (44, 49930), (55, 39944), (88, 24965), (110, 19972), (220, 9986), (440, 4993)]