67488320

素因数分解:

$2^6\times 5^1\times {\mathrm{210901}}^1$

素因数の和:210918

約数の個数: 28

約数和(自身を含む): 160707324

約数和(自身を除く): 93219004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 210901, 421802, 843604, 1054505, 1687208, 2109010, 3374416, 4218020, 6748832, 8436040, 13497664, 16872080, 33744160, 67488320]

約数ペア:

[(1, 67488320), (2, 33744160), (4, 16872080), (5, 13497664), (8, 8436040), (10, 6748832), (16, 4218020), (20, 3374416), (32, 2109010), (40, 1687208), (64, 1054505), (80, 843604), (160, 421802), (320, 210901)]