68947660

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{9001}}^1$

素因数の和:9393

約数の個数: 24

約数和(自身を含む): 145184256

約数和(自身を除く): 76236596

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 9001, 18002, 36004, 45005, 90010, 180020, 3447383, 6894766, 13789532, 17236915, 34473830, 68947660]

約数ペア:

[(1, 68947660), (2, 34473830), (4, 17236915), (5, 13789532), (10, 6894766), (20, 3447383), (383, 180020), (766, 90010), (1532, 45005), (1915, 36004), (3830, 18002), (7660, 9001)]