13784920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1373}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 31162320

約数和(自身を除く): 17377400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1373, 2008, 2510, 2746, 5020, 5492, 6865, 10040, 10984, 13730, 27460, 54920, 344623, 689246, 1378492, 1723115, 2756984, 3446230, 6892460, 13784920]

約数ペア:

[(1, 13784920), (2, 6892460), (4, 3446230), (5, 2756984), (8, 1723115), (10, 1378492), (20, 689246), (40, 344623), (251, 54920), (502, 27460), (1004, 13730), (1255, 10984), (1373, 10040), (2008, 6865), (2510, 5492), (2746, 5020)]