28251019780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32850023}}^1$

素因数の和:32850075

約数の個数: 24

約数和(自身を含む): 60706844352

約数和(自身を除く): 32455824572

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 32850023, 65700046, 131400092, 164250115, 328500230, 657000460, 1412550989, 2825101978, 5650203956, 7062754945, 14125509890, 28251019780]

約数ペア:

[(1, 28251019780), (2, 14125509890), (4, 7062754945), (5, 5650203956), (10, 2825101978), (20, 1412550989), (43, 657000460), (86, 328500230), (172, 164250115), (215, 131400092), (430, 65700046), (860, 32850023)]