28154780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38047}}^1$

素因数の和:38093

約数の個数: 24

約数和(自身を含む): 60724608

約数和(自身を除く): 32569828

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 38047, 76094, 152188, 190235, 380470, 760940, 1407739, 2815478, 5630956, 7038695, 14077390, 28154780]

約数ペア:

[(1, 28154780), (2, 14077390), (4, 7038695), (5, 5630956), (10, 2815478), (20, 1407739), (37, 760940), (74, 380470), (148, 190235), (185, 152188), (370, 76094), (740, 38047)]