422840560

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12923}}^1$

素因数の和:13345

約数の個数: 40

約数和(自身を含む): 985584240

約数和(自身を除く): 562743680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 12923, 16360, 25846, 32720, 51692, 64615, 103384, 129230, 206768, 258460, 516920, 1033840, 5285507, 10571014, 21142028, 26427535, 42284056, 52855070, 84568112, 105710140, 211420280, 422840560]

約数ペア:

[(1, 422840560), (2, 211420280), (4, 105710140), (5, 84568112), (8, 52855070), (10, 42284056), (16, 26427535), (20, 21142028), (40, 10571014), (80, 5285507), (409, 1033840), (818, 516920), (1636, 258460), (2045, 206768), (3272, 129230), (4090, 103384), (6544, 64615), (8180, 51692), (12923, 32720), (16360, 25846)]