201400460

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{15661}}^1$

素因数の和:16313

約数の個数: 24

約数和(自身を含む): 423625776

約数和(自身を除く): 222225316

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 15661, 31322, 62644, 78305, 156610, 313220, 10070023, 20140046, 40280092, 50350115, 100700230, 201400460]

約数ペア:

[(1, 201400460), (2, 100700230), (4, 50350115), (5, 40280092), (10, 20140046), (20, 10070023), (643, 313220), (1286, 156610), (2572, 78305), (3215, 62644), (6430, 31322), (12860, 15661)]