4357420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 9201024

約数和(自身を除く): 4843604

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 977, 1115, 1954, 2230, 3908, 4460, 4885, 9770, 19540, 217871, 435742, 871484, 1089355, 2178710, 4357420]

約数ペア:

[(1, 4357420), (2, 2178710), (4, 1089355), (5, 871484), (10, 435742), (20, 217871), (223, 19540), (446, 9770), (892, 4885), (977, 4460), (1115, 3908), (1954, 2230)]