80519572

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70139}}^1$

素因数の和:70191

約数の個数: 24

約数和(自身を含む): 164969280

約数和(自身を除く): 84449708

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70139, 140278, 280556, 490973, 981946, 1963892, 2875699, 5751398, 11502796, 20129893, 40259786, 80519572]

約数ペア:

[(1, 80519572), (2, 40259786), (4, 20129893), (7, 11502796), (14, 5751398), (28, 2875699), (41, 1963892), (82, 981946), (164, 490973), (287, 280556), (574, 140278), (1148, 70139)]