181393160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{348833}}^1$

素因数の和:348857

約数の個数: 32

約数和(自身を含む): 439530840

約数和(自身を除く): 258137680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 348833, 697666, 1395332, 1744165, 2790664, 3488330, 4534829, 6976660, 9069658, 13953320, 18139316, 22674145, 36278632, 45348290, 90696580, 181393160]

約数ペア:

[(1, 181393160), (2, 90696580), (4, 45348290), (5, 36278632), (8, 22674145), (10, 18139316), (13, 13953320), (20, 9069658), (26, 6976660), (40, 4534829), (52, 3488330), (65, 2790664), (104, 1744165), (130, 1395332), (260, 697666), (520, 348833)]