72050020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{514643}}^1$

素因数の和:514659

約数の個数: 24

約数和(自身を含む): 172920384

約数和(自身を除く): 100870364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 514643, 1029286, 2058572, 2573215, 3602501, 5146430, 7205002, 10292860, 14410004, 18012505, 36025010, 72050020]

約数ペア:

[(1, 72050020), (2, 36025010), (4, 18012505), (5, 14410004), (7, 10292860), (10, 7205002), (14, 5146430), (20, 3602501), (28, 2573215), (35, 2058572), (70, 1029286), (140, 514643)]