210008668040

素因数分解:

$2^3\times 5^1\times {\mathrm{1272163}}^1\times {\mathrm{4127}}^1$

素因数の和:1276301

約数の個数: 32

約数和(自身を含む): 472634369280

約数和(自身を除く): 262625701240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4127, 8254, 16508, 20635, 33016, 41270, 82540, 165080, 1272163, 2544326, 5088652, 6360815, 10177304, 12721630, 25443260, 50886520, 5250216701, 10500433402, 21000866804, 26251083505, 42001733608, 52502167010, 105004334020, 210008668040]

約数ペア:

[(1, 210008668040), (2, 105004334020), (4, 52502167010), (5, 42001733608), (8, 26251083505), (10, 21000866804), (20, 10500433402), (40, 5250216701), (4127, 50886520), (8254, 25443260), (16508, 12721630), (20635, 10177304), (33016, 6360815), (41270, 5088652), (82540, 2544326), (165080, 1272163)]