1891240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3637}}^1$

素因数の和:3661

約数の個数: 32

約数和(自身を含む): 4583880

約数和(自身を除く): 2692640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3637, 7274, 14548, 18185, 29096, 36370, 47281, 72740, 94562, 145480, 189124, 236405, 378248, 472810, 945620, 1891240]

約数ペア:

[(1, 1891240), (2, 945620), (4, 472810), (5, 378248), (8, 236405), (10, 189124), (13, 145480), (20, 94562), (26, 72740), (40, 47281), (52, 36370), (65, 29096), (104, 18185), (130, 14548), (260, 7274), (520, 3637)]