4820020

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{601}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 10164168

約数和(自身を除く): 5344148

約数列:

[1, 2, 4, 5, 10, 20, 401, 601, 802, 1202, 1604, 2005, 2404, 3005, 4010, 6010, 8020, 12020, 241001, 482002, 964004, 1205005, 2410010, 4820020]

約数ペア:

[(1, 4820020), (2, 2410010), (4, 1205005), (5, 964004), (10, 482002), (20, 241001), (401, 12020), (601, 8020), (802, 6010), (1202, 4010), (1604, 3005), (2005, 2404)]