2180484380

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{260201}}^1$

素因数の和:260629

約数の個数: 24

約数和(自身を含む): 4589963280

約数和(自身を除く): 2409478900

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 260201, 520402, 1040804, 1301005, 2602010, 5204020, 109024219, 218048438, 436096876, 545121095, 1090242190, 2180484380]

約数ペア:

[(1, 2180484380), (2, 1090242190), (4, 545121095), (5, 436096876), (10, 218048438), (20, 109024219), (419, 5204020), (838, 2602010), (1676, 1301005), (2095, 1040804), (4190, 520402), (8380, 260201)]