51287770

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 94026240

約数和(自身を除く): 42738470

約数列:

[1, 2, 5, 10, 109, 211, 218, 223, 422, 446, 545, 1055, 1090, 1115, 2110, 2230, 22999, 24307, 45998, 47053, 48614, 94106, 114995, 121535, 229990, 235265, 243070, 470530, 5128777, 10257554, 25643885, 51287770]

約数ペア:

[(1, 51287770), (2, 25643885), (5, 10257554), (10, 5128777), (109, 470530), (211, 243070), (218, 235265), (223, 229990), (422, 121535), (446, 114995), (545, 94106), (1055, 48614), (1090, 47053), (1115, 45998), (2110, 24307), (2230, 22999)]