13008280

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1039}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 29390400

約数和(自身を除く): 16382120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1039, 1252, 1565, 2078, 2504, 3130, 4156, 5195, 6260, 8312, 10390, 12520, 20780, 41560, 325207, 650414, 1300828, 1626035, 2601656, 3252070, 6504140, 13008280]

約数ペア:

[(1, 13008280), (2, 6504140), (4, 3252070), (5, 2601656), (8, 1626035), (10, 1300828), (20, 650414), (40, 325207), (313, 41560), (626, 20780), (1039, 12520), (1252, 10390), (1565, 8312), (2078, 6260), (2504, 5195), (3130, 4156)]