80381812

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70019}}^1$

素因数の和:70071

約数の個数: 24

約数和(自身を含む): 164687040

約数和(自身を除く): 84305228

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70019, 140038, 280076, 490133, 980266, 1960532, 2870779, 5741558, 11483116, 20095453, 40190906, 80381812]

約数ペア:

[(1, 80381812), (2, 40190906), (4, 20095453), (7, 11483116), (14, 5741558), (28, 2870779), (41, 1960532), (82, 980266), (164, 490133), (287, 280076), (574, 140038), (1148, 70019)]