139942720

素因数分解:

$2^6\times 5^1\times {\mathrm{437321}}^1$

素因数の和:437338

約数の個数: 28

約数和(自身を含む): 333239364

約数和(自身を除く): 193296644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 437321, 874642, 1749284, 2186605, 3498568, 4373210, 6997136, 8746420, 13994272, 17492840, 27988544, 34985680, 69971360, 139942720]

約数ペア:

[(1, 139942720), (2, 69971360), (4, 34985680), (5, 27988544), (8, 17492840), (10, 13994272), (16, 8746420), (20, 6997136), (32, 4373210), (40, 3498568), (64, 2186605), (80, 1749284), (160, 874642), (320, 437321)]