28622800

素因数分解:

$2^4\times 5^2\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:620

約数の個数: 60

約数和(自身を含む): 69345760

約数和(自身を除く): 40722960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 163, 200, 326, 400, 439, 652, 815, 878, 1304, 1630, 1756, 2195, 2608, 3260, 3512, 4075, 4390, 6520, 7024, 8150, 8780, 10975, 13040, 16300, 17560, 21950, 32600, 35120, 43900, 65200, 71557, 87800, 143114, 175600, 286228, 357785, 572456, 715570, 1144912, 1431140, 1788925, 2862280, 3577850, 5724560, 7155700, 14311400, 28622800]

約数ペア:

[(1, 28622800), (2, 14311400), (4, 7155700), (5, 5724560), (8, 3577850), (10, 2862280), (16, 1788925), (20, 1431140), (25, 1144912), (40, 715570), (50, 572456), (80, 357785), (100, 286228), (163, 175600), (200, 143114), (326, 87800), (400, 71557), (439, 65200), (652, 43900), (815, 35120), (878, 32600), (1304, 21950), (1630, 17560), (1756, 16300), (2195, 13040), (2608, 10975), (3260, 8780), (3512, 8150), (4075, 7024), (4390, 6520)]