25040020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7237}}^1$

素因数の和:7419

約数の個数: 24

約数和(自身を含む): 52895304

約数和(自身を除く): 27855284

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 7237, 14474, 28948, 36185, 72370, 144740, 1252001, 2504002, 5008004, 6260005, 12520010, 25040020]

約数ペア:

[(1, 25040020), (2, 12520010), (4, 6260005), (5, 5008004), (10, 2504002), (20, 1252001), (173, 144740), (346, 72370), (692, 36185), (865, 28948), (1730, 14474), (3460, 7237)]