1806732149140

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{68385017}}^1$

素因数の和:68386347

約数の個数: 24

約数和(自身を含む): 3797009739432

約数和(自身を除く): 1990277590292

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 6605, 13210, 26420, 68385017, 136770034, 273540068, 341925085, 683850170, 1367700340, 90336607457, 180673214914, 361346429828, 451683037285, 903366074570, 1806732149140]

約数ペア:

[(1, 1806732149140), (2, 903366074570), (4, 451683037285), (5, 361346429828), (10, 180673214914), (20, 90336607457), (1321, 1367700340), (2642, 683850170), (5284, 341925085), (6605, 273540068), (13210, 136770034), (26420, 68385017)]