39827420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 88717440

約数和(自身を除く): 48890020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 643, 652, 815, 1286, 1630, 2572, 3097, 3215, 3260, 6194, 6430, 12217, 12388, 12860, 15485, 24434, 30970, 48868, 61085, 61940, 104809, 122170, 209618, 244340, 419236, 524045, 1048090, 1991371, 2096180, 3982742, 7965484, 9956855, 19913710, 39827420]

約数ペア:

[(1, 39827420), (2, 19913710), (4, 9956855), (5, 7965484), (10, 3982742), (19, 2096180), (20, 1991371), (38, 1048090), (76, 524045), (95, 419236), (163, 244340), (190, 209618), (326, 122170), (380, 104809), (643, 61940), (652, 61085), (815, 48868), (1286, 30970), (1630, 24434), (2572, 15485), (3097, 12860), (3215, 12388), (3260, 12217), (6194, 6430)]