89480020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{639143}}^1$

素因数の和:639159

約数の個数: 24

約数和(自身を含む): 214752384

約数和(自身を除く): 125272364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 639143, 1278286, 2556572, 3195715, 4474001, 6391430, 8948002, 12782860, 17896004, 22370005, 44740010, 89480020]

約数ペア:

[(1, 89480020), (2, 44740010), (4, 22370005), (5, 17896004), (7, 12782860), (10, 8948002), (14, 6391430), (20, 4474001), (28, 3195715), (35, 2556572), (70, 1278286), (140, 639143)]