55204720

素因数分解:

$2^4\times 5^1\times {\mathrm{690059}}^1$

素因数の和:690072

約数の個数: 20

約数和(自身を含む): 128351160

約数和(自身を除く): 73146440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 690059, 1380118, 2760236, 3450295, 5520472, 6900590, 11040944, 13801180, 27602360, 55204720]

約数ペア:

[(1, 55204720), (2, 27602360), (4, 13801180), (5, 11040944), (8, 6900590), (10, 5520472), (16, 3450295), (20, 2760236), (40, 1380118), (80, 690059)]