15576280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2389}}^1$

素因数の和:2563

約数の個数: 32

約数和(自身を含む): 35276400

約数和(自身を除く): 19700120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2389, 3260, 4778, 6520, 9556, 11945, 19112, 23890, 47780, 95560, 389407, 778814, 1557628, 1947035, 3115256, 3894070, 7788140, 15576280]

約数ペア:

[(1, 15576280), (2, 7788140), (4, 3894070), (5, 3115256), (8, 1947035), (10, 1557628), (20, 778814), (40, 389407), (163, 95560), (326, 47780), (652, 23890), (815, 19112), (1304, 11945), (1630, 9556), (2389, 6520), (3260, 4778)]