156565120

素因数分解:

$2^7\times 5^1\times {\mathrm{244633}}^1$

素因数の和:244652

約数の個数: 32

約数和(自身を含む): 374290020

約数和(自身を除く): 217724900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 244633, 489266, 978532, 1223165, 1957064, 2446330, 3914128, 4892660, 7828256, 9785320, 15656512, 19570640, 31313024, 39141280, 78282560, 156565120]

約数ペア:

[(1, 156565120), (2, 78282560), (4, 39141280), (5, 31313024), (8, 19570640), (10, 15656512), (16, 9785320), (20, 7828256), (32, 4892660), (40, 3914128), (64, 2446330), (80, 1957064), (128, 1223165), (160, 978532), (320, 489266), (640, 244633)]