65348420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21929}}^1$

素因数の和:22087

約数の個数: 24

約数和(自身を含む): 138159000

約数和(自身を除く): 72810580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 21929, 43858, 87716, 109645, 219290, 438580, 3267421, 6534842, 13069684, 16337105, 32674210, 65348420]

約数ペア:

[(1, 65348420), (2, 32674210), (4, 16337105), (5, 13069684), (10, 6534842), (20, 3267421), (149, 438580), (298, 219290), (596, 109645), (745, 87716), (1490, 43858), (2980, 21929)]