155470760

素因数分解:

$2^3\times 5^1\times {\mathrm{3886769}}^1$

素因数の和:3886780

約数の個数: 16

約数和(自身を含む): 349809300

約数和(自身を除く): 194338540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3886769, 7773538, 15547076, 19433845, 31094152, 38867690, 77735380, 155470760]

約数ペア:

[(1, 155470760), (2, 77735380), (4, 38867690), (5, 31094152), (8, 19433845), (10, 15547076), (20, 7773538), (40, 3886769)]