38774920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2531}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 87505920

約数和(自身を除く): 48731000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 2531, 3064, 3830, 5062, 7660, 10124, 12655, 15320, 20248, 25310, 50620, 101240, 969373, 1938746, 3877492, 4846865, 7754984, 9693730, 19387460, 38774920]

約数ペア:

[(1, 38774920), (2, 19387460), (4, 9693730), (5, 7754984), (8, 4846865), (10, 3877492), (20, 1938746), (40, 969373), (383, 101240), (766, 50620), (1532, 25310), (1915, 20248), (2531, 15320), (3064, 12655), (3830, 10124), (5062, 7660)]