40137578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 29535382

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 442, 923, 1207, 1279, 1846, 2414, 2558, 15691, 16627, 21743, 31382, 33254, 43486, 90809, 181618, 282659, 565318, 1180517, 1543753, 2361034, 3087506, 20068789, 40137578]

約数ペア:

[(1, 40137578), (2, 20068789), (13, 3087506), (17, 2361034), (26, 1543753), (34, 1180517), (71, 565318), (142, 282659), (221, 181618), (442, 90809), (923, 43486), (1207, 33254), (1279, 31382), (1846, 21743), (2414, 16627), (2558, 15691)]