27721880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18731}}^1$

素因数の和:18779

約数の個数: 32

約数和(自身を含む): 64063440

約数和(自身を除く): 36341560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 18731, 37462, 74924, 93655, 149848, 187310, 374620, 693047, 749240, 1386094, 2772188, 3465235, 5544376, 6930470, 13860940, 27721880]

約数ペア:

[(1, 27721880), (2, 13860940), (4, 6930470), (5, 5544376), (8, 3465235), (10, 2772188), (20, 1386094), (37, 749240), (40, 693047), (74, 374620), (148, 187310), (185, 149848), (296, 93655), (370, 74924), (740, 37462), (1480, 18731)]