87969860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1423}}^1$

素因数の和:1724

約数の個数: 48

約数和(自身を含む): 202390272

約数和(自身を除く): 114420412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1405, 1423, 2810, 2846, 3091, 5620, 5692, 6182, 7115, 12364, 14230, 15455, 15653, 28460, 30910, 31306, 61820, 62612, 78265, 156530, 313060, 399863, 799726, 1599452, 1999315, 3998630, 4398493, 7997260, 8796986, 17593972, 21992465, 43984930, 87969860]

約数ペア:

[(1, 87969860), (2, 43984930), (4, 21992465), (5, 17593972), (10, 8796986), (11, 7997260), (20, 4398493), (22, 3998630), (44, 1999315), (55, 1599452), (110, 799726), (220, 399863), (281, 313060), (562, 156530), (1124, 78265), (1405, 62612), (1423, 61820), (2810, 31306), (2846, 30910), (3091, 28460), (5620, 15653), (5692, 15455), (6182, 14230), (7115, 12364)]