210869860

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{26293}}^1$

素因数の和:26703

約数の個数: 24

約数和(自身を含む): 443947896

約数和(自身を除く): 233078036

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 26293, 52586, 105172, 131465, 262930, 525860, 10543493, 21086986, 42173972, 52717465, 105434930, 210869860]

約数ペア:

[(1, 210869860), (2, 105434930), (4, 52717465), (5, 42173972), (10, 21086986), (20, 10543493), (401, 525860), (802, 262930), (1604, 131465), (2005, 105172), (4010, 52586), (8020, 26293)]