139270720

素因数分解:

$2^6\times 5^1\times {\mathrm{435221}}^1$

素因数の和:435238

約数の個数: 28

約数和(自身を含む): 331639164

約数和(自身を除く): 192368444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 435221, 870442, 1740884, 2176105, 3481768, 4352210, 6963536, 8704420, 13927072, 17408840, 27854144, 34817680, 69635360, 139270720]

約数ペア:

[(1, 139270720), (2, 69635360), (4, 34817680), (5, 27854144), (8, 17408840), (10, 13927072), (16, 8704420), (20, 6963536), (32, 4352210), (40, 3481768), (64, 2176105), (80, 1740884), (160, 870442), (320, 435221)]