205160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 483840

約数和(自身を除く): 278680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 223, 230, 446, 460, 892, 920, 1115, 1784, 2230, 4460, 5129, 8920, 10258, 20516, 25645, 41032, 51290, 102580, 205160]

約数ペア:

[(1, 205160), (2, 102580), (4, 51290), (5, 41032), (8, 25645), (10, 20516), (20, 10258), (23, 8920), (40, 5129), (46, 4460), (92, 2230), (115, 1784), (184, 1115), (223, 920), (230, 892), (446, 460)]